<article>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#article09_10_31_0510212</id>
	<title>Disease May Prevent Manned Journey To Mars</title>
	<author>Soulskill</author>
	<datestamp>1256980440000</datestamp>
	<htmltext><a href="http://hughpickens.com/" rel="nofollow">Pickens</a> writes <i>"Science Daily News reports that human missions to Mars and all other <a href="http://www.sciencedaily.com/releases/2009/10/091029141251.htm">long-term space flights might be compromised by disease</a>, first because space travel appears to weaken astronauts' immune systems; and second, because it increases the virulence and growth of microbes. 'When people think of space travel, often the vast distances are what come to mind first,' says Jean-Pol Frippiat from Nancy-University in France, 'but even after we figure out a way to cover these distances in a reasonable amount of time, we still need to figure out how astronauts are going to overcome disease and sickness.' Frippiat says studies show that immune systems of both people and animals in space flight conditions are significantly weaker than their grounded counterparts and that common pathogens such as Salmonella, E. coli and Staphylococcus <a href="http://mainsgate.com/articles/microgravity-boosts-microbe">reproduce more rapidly in space flight conditions</a>, leading to increased risk of contamination, colonization and serious infection."</i></htmltext>
<tokenext>Pickens writes " Science Daily News reports that human missions to Mars and all other long-term space flights might be compromised by disease , first because space travel appears to weaken astronauts ' immune systems ; and second , because it increases the virulence and growth of microbes .
'When people think of space travel , often the vast distances are what come to mind first, ' says Jean-Pol Frippiat from Nancy-University in France , 'but even after we figure out a way to cover these distances in a reasonable amount of time , we still need to figure out how astronauts are going to overcome disease and sickness .
' Frippiat says studies show that immune systems of both people and animals in space flight conditions are significantly weaker than their grounded counterparts and that common pathogens such as Salmonella , E. coli and Staphylococcus reproduce more rapidly in space flight conditions , leading to increased risk of contamination , colonization and serious infection .
"</tokentext>
<sentencetext>Pickens writes "Science Daily News reports that human missions to Mars and all other long-term space flights might be compromised by disease, first because space travel appears to weaken astronauts' immune systems; and second, because it increases the virulence and growth of microbes.
'When people think of space travel, often the vast distances are what come to mind first,' says Jean-Pol Frippiat from Nancy-University in France, 'but even after we figure out a way to cover these distances in a reasonable amount of time, we still need to figure out how astronauts are going to overcome disease and sickness.
' Frippiat says studies show that immune systems of both people and animals in space flight conditions are significantly weaker than their grounded counterparts and that common pathogens such as Salmonella, E. coli and Staphylococcus reproduce more rapidly in space flight conditions, leading to increased risk of contamination, colonization and serious infection.
"</sentencetext>
</article>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933407</id>
	<title>Another two words...</title>
	<author>turing\_m</author>
	<datestamp>1256992320000</datestamp>
	<modclass>Offtopic</modclass>
	<modscore>0</modscore>
	<htmltext><p>Day care</p></htmltext>
<tokenext>Day care</tokentext>
<sentencetext>Day care</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933025</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29941255</id>
	<title>Re:rotate it</title>
	<author>Anonymous</author>
	<datestamp>1257086520000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Don't bother.<br>Just maintain 1/2 to 1 G of acceleration the full trip.<br>requires a mid-course flip to point the engine towards mars, then its a 1 G "deceleration"</p><p>Anonymous Because Im Lazy</p></htmltext>
<tokenext>Do n't bother.Just maintain 1/2 to 1 G of acceleration the full trip.requires a mid-course flip to point the engine towards mars , then its a 1 G " deceleration " Anonymous Because Im Lazy</tokentext>
<sentencetext>Don't bother.Just maintain 1/2 to 1 G of acceleration the full trip.requires a mid-course flip to point the engine towards mars, then its a 1 G "deceleration"Anonymous Because Im Lazy</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933105</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933025</id>
	<title>two words...</title>
	<author>lannocc</author>
	<datestamp>1256984280000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>3</modscore>
	<htmltext>Diversified ecosystem.</htmltext>
<tokenext>Diversified ecosystem .</tokentext>
<sentencetext>Diversified ecosystem.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933129</id>
	<title>meat</title>
	<author>Anonymous</author>
	<datestamp>1256986380000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>3</modscore>
	<htmltext>Why do we care about sending our meatbag selves to other planets? I'd be more productive if we could just send some strong AI to do it for us.</htmltext>
<tokenext>Why do we care about sending our meatbag selves to other planets ?
I 'd be more productive if we could just send some strong AI to do it for us .</tokentext>
<sentencetext>Why do we care about sending our meatbag selves to other planets?
I'd be more productive if we could just send some strong AI to do it for us.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934551</id>
	<title>Re:MiR? ISS?</title>
	<author>sadler121</author>
	<datestamp>1257004020000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>438 day is nothing if NASA uses a VASIMIR rocket, previous stories on <a href="http://science.slashdot.org/story/09/10/19/1324222/VASIMR-Ion-Engine-Could-Cut-Mars-Trip-To-39-Days?from=rss" title="slashdot.org">Slashdot</a> [slashdot.org] have said they could get there in a 39 days.</p></htmltext>
<tokenext>438 day is nothing if NASA uses a VASIMIR rocket , previous stories on Slashdot [ slashdot.org ] have said they could get there in a 39 days .</tokentext>
<sentencetext>438 day is nothing if NASA uses a VASIMIR rocket, previous stories on Slashdot [slashdot.org] have said they could get there in a 39 days.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933215</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29940759</id>
	<title>That's not a math problem thats just poor design</title>
	<author>bratwiz</author>
	<datestamp>1257078900000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>So many things work great on the drawing board and just suck in real life-- why? Because the designers don't take into account real-life issues like sensor failure, overlapping sensors, redundancy, multiple measurements, measurements taken with different sensor types, and don't make allowances for real world behavior, like when the tires get stuck in the mud, or the turret gets a rock jammed in it just right, or when a camera is broken-- or even just staring into the sun, and they don't make allowances in their algorithms to check, re-check, check some more, look for errors, errant behavior, "stuck" conditions, etc.</p><p>Its easy to chalk something like this up to a "math problem"-- ooops, my bad.</p><p>But I'd bet good money that in the final analysis the real answer is sloppy design.</p></htmltext>
<tokenext>So many things work great on the drawing board and just suck in real life-- why ?
Because the designers do n't take into account real-life issues like sensor failure , overlapping sensors , redundancy , multiple measurements , measurements taken with different sensor types , and do n't make allowances for real world behavior , like when the tires get stuck in the mud , or the turret gets a rock jammed in it just right , or when a camera is broken-- or even just staring into the sun , and they do n't make allowances in their algorithms to check , re-check , check some more , look for errors , errant behavior , " stuck " conditions , etc.Its easy to chalk something like this up to a " math problem " -- ooops , my bad.But I 'd bet good money that in the final analysis the real answer is sloppy design .</tokentext>
<sentencetext>So many things work great on the drawing board and just suck in real life-- why?
Because the designers don't take into account real-life issues like sensor failure, overlapping sensors, redundancy, multiple measurements, measurements taken with different sensor types, and don't make allowances for real world behavior, like when the tires get stuck in the mud, or the turret gets a rock jammed in it just right, or when a camera is broken-- or even just staring into the sun, and they don't make allowances in their algorithms to check, re-check, check some more, look for errors, errant behavior, "stuck" conditions, etc.Its easy to chalk something like this up to a "math problem"-- ooops, my bad.But I'd bet good money that in the final analysis the real answer is sloppy design.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933773</id>
	<title>And the Martian says ...</title>
	<author>athomascr</author>
	<datestamp>1256997360000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>... the Terrans were killed off by the common cold.</htmltext>
<tokenext>... the Terrans were killed off by the common cold .</tokentext>
<sentencetext>... the Terrans were killed off by the common cold.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933091</id>
	<title>that's an easy one.</title>
	<author>Anonymous</author>
	<datestamp>1256985720000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>that's an easy one: send someone before they've hatched.  you just send them in an incubator, and raise them at the destination with the help of strong AI and com links.  An egg is much easier to protect from diseases than a grown person...</p></htmltext>
<tokenext>that 's an easy one : send someone before they 've hatched .
you just send them in an incubator , and raise them at the destination with the help of strong AI and com links .
An egg is much easier to protect from diseases than a grown person.. .</tokentext>
<sentencetext>that's an easy one: send someone before they've hatched.
you just send them in an incubator, and raise them at the destination with the help of strong AI and com links.
An egg is much easier to protect from diseases than a grown person...</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933105</id>
	<title>rotate it</title>
	<author>Anonymous</author>
	<datestamp>1256985960000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>2</modscore>
	<htmltext><p>Why not rotate the ship for "artificial gravity"?</p></htmltext>
<tokenext>Why not rotate the ship for " artificial gravity " ?</tokentext>
<sentencetext>Why not rotate the ship for "artificial gravity"?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29948898</id>
	<title>Re:meat</title>
	<author>Anonymous</author>
	<datestamp>1257164580000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>All nerds know the answer to this one.</p><p>BECAUSE WE CAN!!!</p></htmltext>
<tokenext>All nerds know the answer to this one.BECAUSE WE CAN ! !
!</tokentext>
<sentencetext>All nerds know the answer to this one.BECAUSE WE CAN!!
!</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933129</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933277</id>
	<title>Re:Sterile</title>
	<author>Anonymous</author>
	<datestamp>1256989680000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Your body contains more bacterial cells than "human" cells.<br>http://www.sciencedaily.com/releases/2008/06/080603085914.htm</p></htmltext>
<tokenext>Your body contains more bacterial cells than " human " cells.http : //www.sciencedaily.com/releases/2008/06/080603085914.htm</tokentext>
<sentencetext>Your body contains more bacterial cells than "human" cells.http://www.sciencedaily.com/releases/2008/06/080603085914.htm</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933075</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933439</id>
	<title>Kinda irrelevant ..</title>
	<author>guacamole</author>
	<datestamp>1256992920000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>.. given that sending humans to Mars is pretty much a 99.99\% waste of everyone's resources. As well all know, can do science research on Mars at a fraction of the cost of sending a space shuttle into a week lond trip around earth, much less the cost of the human mission that has a chance of reaching Mars. And don't tell me the B.S. about colonizing Mars. Earth will remain hospitable for life for hundreds of millions of years. If there is going to be some kind of catastrophe on Earth, it's far more likely that we could deal with it on earth (at least to extent of saving the human race) than making Mars, which is a dead wasteland right now, viable for continuing human life.</p></htmltext>
<tokenext>.. given that sending humans to Mars is pretty much a 99.99 \ % waste of everyone 's resources .
As well all know , can do science research on Mars at a fraction of the cost of sending a space shuttle into a week lond trip around earth , much less the cost of the human mission that has a chance of reaching Mars .
And do n't tell me the B.S .
about colonizing Mars .
Earth will remain hospitable for life for hundreds of millions of years .
If there is going to be some kind of catastrophe on Earth , it 's far more likely that we could deal with it on earth ( at least to extent of saving the human race ) than making Mars , which is a dead wasteland right now , viable for continuing human life .</tokentext>
<sentencetext>.. given that sending humans to Mars is pretty much a 99.99\% waste of everyone's resources.
As well all know, can do science research on Mars at a fraction of the cost of sending a space shuttle into a week lond trip around earth, much less the cost of the human mission that has a chance of reaching Mars.
And don't tell me the B.S.
about colonizing Mars.
Earth will remain hospitable for life for hundreds of millions of years.
If there is going to be some kind of catastrophe on Earth, it's far more likely that we could deal with it on earth (at least to extent of saving the human race) than making Mars, which is a dead wasteland right now, viable for continuing human life.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934163</id>
	<title>Re:two words...</title>
	<author>Reziac</author>
	<datestamp>1257001080000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>3</modscore>
	<htmltext><p>Actually, yes...</p><p>There are two basic possibilities here:</p><p>1) low gravity enhances microbe growth. -- Eh, probably not enough in itself, since the microbial balance would probably still be roughly the same.</p><p>2) if the environment is made too sterile, it actually encourages pathogens, which are normally kept largely in check by other microbes. This is actually the root of the problem with hospitals and resistant infections today, to the point that some are considering returning to a less-sterile general environment. -- Easily solved; just don't sterilize the equipment in the first place. In short, maintain the diversified natural microbial population, to discourage overgrowth of pathogens.</p></htmltext>
<tokenext>Actually , yes...There are two basic possibilities here : 1 ) low gravity enhances microbe growth .
-- Eh , probably not enough in itself , since the microbial balance would probably still be roughly the same.2 ) if the environment is made too sterile , it actually encourages pathogens , which are normally kept largely in check by other microbes .
This is actually the root of the problem with hospitals and resistant infections today , to the point that some are considering returning to a less-sterile general environment .
-- Easily solved ; just do n't sterilize the equipment in the first place .
In short , maintain the diversified natural microbial population , to discourage overgrowth of pathogens .</tokentext>
<sentencetext>Actually, yes...There are two basic possibilities here:1) low gravity enhances microbe growth.
-- Eh, probably not enough in itself, since the microbial balance would probably still be roughly the same.2) if the environment is made too sterile, it actually encourages pathogens, which are normally kept largely in check by other microbes.
This is actually the root of the problem with hospitals and resistant infections today, to the point that some are considering returning to a less-sterile general environment.
-- Easily solved; just don't sterilize the equipment in the first place.
In short, maintain the diversified natural microbial population, to discourage overgrowth of pathogens.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933025</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29936937</id>
	<title>Re:How is the reason not blatantly obvious?</title>
	<author>Anonymous</author>
	<datestamp>1256982300000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>[citation needed]</p></htmltext>
<tokenext>[ citation needed ]</tokentext>
<sentencetext>[citation needed]</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933981</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933451</id>
	<title>Do you not comprehend the GRAVITY of the situation</title>
	<author>jack2000</author>
	<datestamp>1256993160000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Then don't have em in Zero-G , Spinning parts of the ship etc, if it's too hard to build it here make it so a part of the ship "expands" once in orbit.
There, no zero-G no viral problems!</htmltext>
<tokenext>Then do n't have em in Zero-G , Spinning parts of the ship etc , if it 's too hard to build it here make it so a part of the ship " expands " once in orbit .
There , no zero-G no viral problems !</tokentext>
<sentencetext>Then don't have em in Zero-G , Spinning parts of the ship etc, if it's too hard to build it here make it so a part of the ship "expands" once in orbit.
There, no zero-G no viral problems!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933521</id>
	<title>Problem solved.</title>
	<author>Anonymous</author>
	<datestamp>1256994420000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Two words: hand sanitizer.</p></htmltext>
<tokenext>Two words : hand sanitizer .</tokentext>
<sentencetext>Two words: hand sanitizer.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29941711</id>
	<title>More energy</title>
	<author>minstrelmike</author>
	<datestamp>1257091620000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>If we can find enough energy someplace to provide a constant one G acceleration from an engine, we can get to Mars in 3-5 days.

Sounds like the microbes are telling us we need to explore in the energy direction.</htmltext>
<tokenext>If we can find enough energy someplace to provide a constant one G acceleration from an engine , we can get to Mars in 3-5 days .
Sounds like the microbes are telling us we need to explore in the energy direction .</tokentext>
<sentencetext>If we can find enough energy someplace to provide a constant one G acceleration from an engine, we can get to Mars in 3-5 days.
Sounds like the microbes are telling us we need to explore in the energy direction.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933127</id>
	<title>not possible</title>
	<author>jipn4</author>
	<datestamp>1256986260000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>3</modscore>
	<htmltext><p>While getting rid of salmonella is good, you can't get rid of all disease causing bacteria.  And if the environment you live in is too sterile, your body just becomes more susceptible to other infections and to auto-immune disease.</p><p>Injecting antibiotics is about the worst thing you can do because it really messes up your bacterial ecology.  Bacteria are a natural part of your body, and if you start killing them with antibiotics, things go wrong. Antibiotics should really only be taken when there is a serious infection present.</p><p>In addition to artificial gravity (via rotation), the solution may be to challenge the body with other microbes that are known to be not too harmful, similar to "pro-biotic drinks".</p></htmltext>
<tokenext>While getting rid of salmonella is good , you ca n't get rid of all disease causing bacteria .
And if the environment you live in is too sterile , your body just becomes more susceptible to other infections and to auto-immune disease.Injecting antibiotics is about the worst thing you can do because it really messes up your bacterial ecology .
Bacteria are a natural part of your body , and if you start killing them with antibiotics , things go wrong .
Antibiotics should really only be taken when there is a serious infection present.In addition to artificial gravity ( via rotation ) , the solution may be to challenge the body with other microbes that are known to be not too harmful , similar to " pro-biotic drinks " .</tokentext>
<sentencetext>While getting rid of salmonella is good, you can't get rid of all disease causing bacteria.
And if the environment you live in is too sterile, your body just becomes more susceptible to other infections and to auto-immune disease.Injecting antibiotics is about the worst thing you can do because it really messes up your bacterial ecology.
Bacteria are a natural part of your body, and if you start killing them with antibiotics, things go wrong.
Antibiotics should really only be taken when there is a serious infection present.In addition to artificial gravity (via rotation), the solution may be to challenge the body with other microbes that are known to be not too harmful, similar to "pro-biotic drinks".</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933075</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29935913</id>
	<title>Re:rotate it</title>
	<author>Rick17JJ</author>
	<datestamp>1257016680000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext>If the diameter of the circle of the rotation is large enough, the astronauts would not get motion sickness. Back in the 1970s, I read that a space station of about 1 mile in diameter, could be rotated at 1 G gravity without making the people inside seasick.<br><br>Instead of making the spaceship that large, they could attach the living quarters to each end of a very long cable, and then slowly rotate the ship.  In the center of the cable, they could place a zero-G section which would contain sensors, and possibly the propulsion system and other equipment.<br><br>The long cable could be made out of some type of super strong light weight material, such as some type of carbon fibers.<br><br>There is also the question of how much artificial gravity would be needed to protect the astronauts health. If it is significantly less than 1 G, they could use a shorter cable or rotate the ship more slowly.<br><br>There is also the question of to what extent the astronauts bodies might possibly be able to get used to a certain amount of motion.  Perhaps, they should ask sailers or fighter pilots, if their resistance to seasickness has improved, or not.</htmltext>
<tokenext>If the diameter of the circle of the rotation is large enough , the astronauts would not get motion sickness .
Back in the 1970s , I read that a space station of about 1 mile in diameter , could be rotated at 1 G gravity without making the people inside seasick.Instead of making the spaceship that large , they could attach the living quarters to each end of a very long cable , and then slowly rotate the ship .
In the center of the cable , they could place a zero-G section which would contain sensors , and possibly the propulsion system and other equipment.The long cable could be made out of some type of super strong light weight material , such as some type of carbon fibers.There is also the question of how much artificial gravity would be needed to protect the astronauts health .
If it is significantly less than 1 G , they could use a shorter cable or rotate the ship more slowly.There is also the question of to what extent the astronauts bodies might possibly be able to get used to a certain amount of motion .
Perhaps , they should ask sailers or fighter pilots , if their resistance to seasickness has improved , or not .</tokentext>
<sentencetext>If the diameter of the circle of the rotation is large enough, the astronauts would not get motion sickness.
Back in the 1970s, I read that a space station of about 1 mile in diameter, could be rotated at 1 G gravity without making the people inside seasick.Instead of making the spaceship that large, they could attach the living quarters to each end of a very long cable, and then slowly rotate the ship.
In the center of the cable, they could place a zero-G section which would contain sensors, and possibly the propulsion system and other equipment.The long cable could be made out of some type of super strong light weight material, such as some type of carbon fibers.There is also the question of how much artificial gravity would be needed to protect the astronauts health.
If it is significantly less than 1 G, they could use a shorter cable or rotate the ship more slowly.There is also the question of to what extent the astronauts bodies might possibly be able to get used to a certain amount of motion.
Perhaps, they should ask sailers or fighter pilots, if their resistance to seasickness has improved, or not.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933461</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933215</id>
	<title>Re:MiR? ISS?</title>
	<author>ikedasquid</author>
	<datestamp>1256987940000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>4</modscore>
	<htmltext>Quick wikipedia search results in:

The longest stay in space was 438 days, by Russian Valeri Polyakov onboard Mir.

Separate search for time (one way) earth to mars is in the range 6 - 9 months.

The trip would require O2 production and CO2 scrubbers or some equivalent.  The scrubbers used in industry and on submarines are generally toxic to people (and presumably to microbes) or get really hot.  Either way I think the idea of cleansing the air to reduce illness would be trivial.  Bring plenty of hand sanitizer and I think it'll be under control.</htmltext>
<tokenext>Quick wikipedia search results in : The longest stay in space was 438 days , by Russian Valeri Polyakov onboard Mir .
Separate search for time ( one way ) earth to mars is in the range 6 - 9 months .
The trip would require O2 production and CO2 scrubbers or some equivalent .
The scrubbers used in industry and on submarines are generally toxic to people ( and presumably to microbes ) or get really hot .
Either way I think the idea of cleansing the air to reduce illness would be trivial .
Bring plenty of hand sanitizer and I think it 'll be under control .</tokentext>
<sentencetext>Quick wikipedia search results in:

The longest stay in space was 438 days, by Russian Valeri Polyakov onboard Mir.
Separate search for time (one way) earth to mars is in the range 6 - 9 months.
The trip would require O2 production and CO2 scrubbers or some equivalent.
The scrubbers used in industry and on submarines are generally toxic to people (and presumably to microbes) or get really hot.
Either way I think the idea of cleansing the air to reduce illness would be trivial.
Bring plenty of hand sanitizer and I think it'll be under control.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933031</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29935801</id>
	<title>one word...</title>
	<author>WAG24601G</author>
	<datestamp>1257015840000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>yes.</p><p>Or to elaborate a bit, I wonder if we're not neglecting a bigger problem in the other direction.  It seems like we're constantly discovering greater degrees of mutualism between humans and the micro-organisms swarming all over (and through) our bodies.  A common example is our digestive dependence on bacteria in the intestines, and the recently discovered role of the appendix in maintaining the intestinal culture [1,2].</p><p>While I'm not aware of any short term (longest stay in space 400-500 days) effects, what major biological functions might change over many years if the bacterial cultures on our skin (for instance) are weakened or eliminated in hyper-sterile or otherwise non-earth-like colony environments?  I recall some speculation recently that bacterial by-products might play a role in altering our emotional states day to day.  Imagine the unforeseen psychological effects when a currently unidentified bacteria suddenly vanishes from our bodily ecosystems due to habitat change...</p><p>I'm definitely not against manned space exploration or even colonization, but before we start bathing our astronauts in hand sanitizer, somebody needs to consider our physiological dependence on the bacterial ecosystem, not just our war against it.</p><p>[1]http://sciences.surgery.duke.edu/wysiwyg/downloads/BillSection1SecondInsert.pdf<br>[2]http://www.msnbc.msn.com/id/21153898/</p></htmltext>
<tokenext>yes.Or to elaborate a bit , I wonder if we 're not neglecting a bigger problem in the other direction .
It seems like we 're constantly discovering greater degrees of mutualism between humans and the micro-organisms swarming all over ( and through ) our bodies .
A common example is our digestive dependence on bacteria in the intestines , and the recently discovered role of the appendix in maintaining the intestinal culture [ 1,2 ] .While I 'm not aware of any short term ( longest stay in space 400-500 days ) effects , what major biological functions might change over many years if the bacterial cultures on our skin ( for instance ) are weakened or eliminated in hyper-sterile or otherwise non-earth-like colony environments ?
I recall some speculation recently that bacterial by-products might play a role in altering our emotional states day to day .
Imagine the unforeseen psychological effects when a currently unidentified bacteria suddenly vanishes from our bodily ecosystems due to habitat change...I 'm definitely not against manned space exploration or even colonization , but before we start bathing our astronauts in hand sanitizer , somebody needs to consider our physiological dependence on the bacterial ecosystem , not just our war against it .
[ 1 ] http : //sciences.surgery.duke.edu/wysiwyg/downloads/BillSection1SecondInsert.pdf [ 2 ] http : //www.msnbc.msn.com/id/21153898/</tokentext>
<sentencetext>yes.Or to elaborate a bit, I wonder if we're not neglecting a bigger problem in the other direction.
It seems like we're constantly discovering greater degrees of mutualism between humans and the micro-organisms swarming all over (and through) our bodies.
A common example is our digestive dependence on bacteria in the intestines, and the recently discovered role of the appendix in maintaining the intestinal culture [1,2].While I'm not aware of any short term (longest stay in space 400-500 days) effects, what major biological functions might change over many years if the bacterial cultures on our skin (for instance) are weakened or eliminated in hyper-sterile or otherwise non-earth-like colony environments?
I recall some speculation recently that bacterial by-products might play a role in altering our emotional states day to day.
Imagine the unforeseen psychological effects when a currently unidentified bacteria suddenly vanishes from our bodily ecosystems due to habitat change...I'm definitely not against manned space exploration or even colonization, but before we start bathing our astronauts in hand sanitizer, somebody needs to consider our physiological dependence on the bacterial ecosystem, not just our war against it.
[1]http://sciences.surgery.duke.edu/wysiwyg/downloads/BillSection1SecondInsert.pdf[2]http://www.msnbc.msn.com/id/21153898/</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933025</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933033</id>
	<title>Beware of the dreaded SPACE HERPES!!!</title>
	<author>Majik Sheff</author>
	<datestamp>1256984580000</datestamp>
	<modclass>Funny</modclass>
	<modscore>5</modscore>
	<htmltext><p>This isn't a first post, but it's the only Ice Pirates reference on Slashdot.</p></htmltext>
<tokenext>This is n't a first post , but it 's the only Ice Pirates reference on Slashdot .</tokentext>
<sentencetext>This isn't a first post, but it's the only Ice Pirates reference on Slashdot.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933229</id>
	<title>Re:MiR? ISS?</title>
	<author>Anonymous</author>
	<datestamp>1256988360000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext>Agreed. With current technology we can make a trip to Mars in 3 months when the planets are at their closest. Once people arrive on Mars, they will have gravity again. Even if it is only 1/3 of Earth's that is still enough that people could survive.</htmltext>
<tokenext>Agreed .
With current technology we can make a trip to Mars in 3 months when the planets are at their closest .
Once people arrive on Mars , they will have gravity again .
Even if it is only 1/3 of Earth 's that is still enough that people could survive .</tokentext>
<sentencetext>Agreed.
With current technology we can make a trip to Mars in 3 months when the planets are at their closest.
Once people arrive on Mars, they will have gravity again.
Even if it is only 1/3 of Earth's that is still enough that people could survive.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933031</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29939511</id>
	<title>Take the Express</title>
	<author>LandGator</author>
	<datestamp>1257011640000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Proof positive we need to take an Project Orion-style nuclear impulse ship to Mars, arriving there in far less time than in a Hohmann orbit, and significantly faster than the yet unoproven CASIMIR engines. See : Project Orion - The Atomic Spaceship 1957-1965. Dyson, George:  Penguin. ISBN 0-140-27732-3 or  <a href="http://www.google.com/url?sa=t&amp;source=web&amp;ct=res&amp;cd=4&amp;ved=0CBoQFjAD&amp;url=http\%3A\%2F\%2Fwww.alivetorrents.com\%2Ftorrent\%2F943314\%2Fbbc-to-mars-by-a-bomb-the-secret-history-of-project-orion-xvid-mp3-avi&amp;ei=TBPtSqn8J5TUsgPuhaHUCA&amp;usg=AFQjCNGKfqU6sioxzkg7ZoPhV3a2YmtR4Q&amp;sig2=8Vj1ocSABhkt4WZFntA3ow" title="google.com">http://www.google.com/url?sa=t&amp;source=web&amp;ct=res&amp;cd=4&amp;ved=0CBoQFjAD&amp;url=http\%3A\%2F\%2Fwww.alivetorrents.com\%2Ftorrent\%2F943314\%2Fbbc-to-mars-by-a-bomb-the-secret-history-of-project-orion-xvid-mp3-avi&amp;ei=TBPtSqn8J5TUsgPuhaHUCA&amp;usg=AFQjCNGKfqU6sioxzkg7ZoPhV3a2YmtR4Q&amp;sig2=8Vj1ocSABhkt4WZFntA3ow</a> [google.com]</htmltext>
<tokenext>Proof positive we need to take an Project Orion-style nuclear impulse ship to Mars , arriving there in far less time than in a Hohmann orbit , and significantly faster than the yet unoproven CASIMIR engines .
See : Project Orion - The Atomic Spaceship 1957-1965 .
Dyson , George : Penguin .
ISBN 0-140-27732-3 or http : //www.google.com/url ? sa = t&amp;source = web&amp;ct = res&amp;cd = 4&amp;ved = 0CBoQFjAD&amp;url = http \ % 3A \ % 2F \ % 2Fwww.alivetorrents.com \ % 2Ftorrent \ % 2F943314 \ % 2Fbbc-to-mars-by-a-bomb-the-secret-history-of-project-orion-xvid-mp3-avi&amp;ei = TBPtSqn8J5TUsgPuhaHUCA&amp;usg = AFQjCNGKfqU6sioxzkg7ZoPhV3a2YmtR4Q&amp;sig2 = 8Vj1ocSABhkt4WZFntA3ow [ google.com ]</tokentext>
<sentencetext>Proof positive we need to take an Project Orion-style nuclear impulse ship to Mars, arriving there in far less time than in a Hohmann orbit, and significantly faster than the yet unoproven CASIMIR engines.
See : Project Orion - The Atomic Spaceship 1957-1965.
Dyson, George:  Penguin.
ISBN 0-140-27732-3 or  http://www.google.com/url?sa=t&amp;source=web&amp;ct=res&amp;cd=4&amp;ved=0CBoQFjAD&amp;url=http\%3A\%2F\%2Fwww.alivetorrents.com\%2Ftorrent\%2F943314\%2Fbbc-to-mars-by-a-bomb-the-secret-history-of-project-orion-xvid-mp3-avi&amp;ei=TBPtSqn8J5TUsgPuhaHUCA&amp;usg=AFQjCNGKfqU6sioxzkg7ZoPhV3a2YmtR4Q&amp;sig2=8Vj1ocSABhkt4WZFntA3ow [google.com]</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29935417</id>
	<title>Creating arificial gravity by rotation</title>
	<author>Rick17JJ</author>
	<datestamp>1257012360000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Perhaps they could create artificial gravity by using a 1 mile long cable and a counter weight to slowly rotate the spaceship in large circles.  If rotated at just the right speed, they could create the equivalent of 1 G gravity, through centrifugal force. A pilot in a fighter jet experiences the same kind of forces when making a high speed turn.<br><br>The cable could be made out of some super strong lightweight material. Extra fuel and other supplies could be used as the counterweight on the other end of the long cable, which would perhaps be about one mile away.<br><br>Of course, the other main problem problem would be how to protect the crew from both of the main types of radiation which exist in space.  I vaguely recall reading that there are cosmic rays coming from deep space, and there is also another type of radiation which comes from solar flares. Shielding against radiation, might require bringing along a large amount of heavy massive radiation shielding, unless there is some better way to deflect or shield against radiation. I do not know much about radiation or the types radiation in space. However, as I recall, the cosmic rays have much more energy and are the hardest to shield against. I seem to recall reading, that Earth's magnetic field is what protects us here on Earth.<br><br>Of course, if heavy radiation shielding is used, then there is then the question of what kind of propulsion systems are efficient enough to move that much massive radiation shielding over interplanetary distances.<br><br>I am not an expert on the subject, but that is how I might approach the problem.</htmltext>
<tokenext>Perhaps they could create artificial gravity by using a 1 mile long cable and a counter weight to slowly rotate the spaceship in large circles .
If rotated at just the right speed , they could create the equivalent of 1 G gravity , through centrifugal force .
A pilot in a fighter jet experiences the same kind of forces when making a high speed turn.The cable could be made out of some super strong lightweight material .
Extra fuel and other supplies could be used as the counterweight on the other end of the long cable , which would perhaps be about one mile away.Of course , the other main problem problem would be how to protect the crew from both of the main types of radiation which exist in space .
I vaguely recall reading that there are cosmic rays coming from deep space , and there is also another type of radiation which comes from solar flares .
Shielding against radiation , might require bringing along a large amount of heavy massive radiation shielding , unless there is some better way to deflect or shield against radiation .
I do not know much about radiation or the types radiation in space .
However , as I recall , the cosmic rays have much more energy and are the hardest to shield against .
I seem to recall reading , that Earth 's magnetic field is what protects us here on Earth.Of course , if heavy radiation shielding is used , then there is then the question of what kind of propulsion systems are efficient enough to move that much massive radiation shielding over interplanetary distances.I am not an expert on the subject , but that is how I might approach the problem .</tokentext>
<sentencetext>Perhaps they could create artificial gravity by using a 1 mile long cable and a counter weight to slowly rotate the spaceship in large circles.
If rotated at just the right speed, they could create the equivalent of 1 G gravity, through centrifugal force.
A pilot in a fighter jet experiences the same kind of forces when making a high speed turn.The cable could be made out of some super strong lightweight material.
Extra fuel and other supplies could be used as the counterweight on the other end of the long cable, which would perhaps be about one mile away.Of course, the other main problem problem would be how to protect the crew from both of the main types of radiation which exist in space.
I vaguely recall reading that there are cosmic rays coming from deep space, and there is also another type of radiation which comes from solar flares.
Shielding against radiation, might require bringing along a large amount of heavy massive radiation shielding, unless there is some better way to deflect or shield against radiation.
I do not know much about radiation or the types radiation in space.
However, as I recall, the cosmic rays have much more energy and are the hardest to shield against.
I seem to recall reading, that Earth's magnetic field is what protects us here on Earth.Of course, if heavy radiation shielding is used, then there is then the question of what kind of propulsion systems are efficient enough to move that much massive radiation shielding over interplanetary distances.I am not an expert on the subject, but that is how I might approach the problem.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29935955</id>
	<title>MORE POWER!</title>
	<author>leftie</author>
	<datestamp>1257017040000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>"...the Orion design would have worked by dropping small shaped charge fission or thermonuclear explosives out the rear of a vehicle, detonating them 200 feet (60 m) out, and catching the blast with a thick steel or aluminum pusher plate....The 'base design' consisted of a 4000 ton model planned for ground launch from Jackass Flats, Nevada. Each 0.15 KT (sea-level yield) blast would add 30 mph (50 km/h, 13.89m/s) to the craft's velocity. A graphite based oil would be sprayed on the pusher plate before each explosion to prevent ablation of the surface. To reach low Earth orbit (300mi), this sequence would have to be repeated about 800 times, like an atomic pogo stick.</p><p>Jerry Pournelle, who is acquainted with the project and its ex-team leader Freeman Dyson, has been quoted as saying that a single mission could have provided us with a large permanent moon base. Alternatively, an Orion could reach Pluto and return to Earth inside of a year..."</p><p><a href="http://en.wikipedia.org/wiki/Project\_Orion\_(nuclear\_propulsion)" title="wikipedia.org">http://en.wikipedia.org/wiki/Project\_Orion\_(nuclear\_propulsion)</a> [wikipedia.org]<nobr> <wbr></nobr>:-D</p></htmltext>
<tokenext>" ...the Orion design would have worked by dropping small shaped charge fission or thermonuclear explosives out the rear of a vehicle , detonating them 200 feet ( 60 m ) out , and catching the blast with a thick steel or aluminum pusher plate....The 'base design ' consisted of a 4000 ton model planned for ground launch from Jackass Flats , Nevada .
Each 0.15 KT ( sea-level yield ) blast would add 30 mph ( 50 km/h , 13.89m/s ) to the craft 's velocity .
A graphite based oil would be sprayed on the pusher plate before each explosion to prevent ablation of the surface .
To reach low Earth orbit ( 300mi ) , this sequence would have to be repeated about 800 times , like an atomic pogo stick.Jerry Pournelle , who is acquainted with the project and its ex-team leader Freeman Dyson , has been quoted as saying that a single mission could have provided us with a large permanent moon base .
Alternatively , an Orion could reach Pluto and return to Earth inside of a year... " http : //en.wikipedia.org/wiki/Project \ _Orion \ _ ( nuclear \ _propulsion ) [ wikipedia.org ] : -D</tokentext>
<sentencetext>"...the Orion design would have worked by dropping small shaped charge fission or thermonuclear explosives out the rear of a vehicle, detonating them 200 feet (60 m) out, and catching the blast with a thick steel or aluminum pusher plate....The 'base design' consisted of a 4000 ton model planned for ground launch from Jackass Flats, Nevada.
Each 0.15 KT (sea-level yield) blast would add 30 mph (50 km/h, 13.89m/s) to the craft's velocity.
A graphite based oil would be sprayed on the pusher plate before each explosion to prevent ablation of the surface.
To reach low Earth orbit (300mi), this sequence would have to be repeated about 800 times, like an atomic pogo stick.Jerry Pournelle, who is acquainted with the project and its ex-team leader Freeman Dyson, has been quoted as saying that a single mission could have provided us with a large permanent moon base.
Alternatively, an Orion could reach Pluto and return to Earth inside of a year..."http://en.wikipedia.org/wiki/Project\_Orion\_(nuclear\_propulsion) [wikipedia.org] :-D</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933025</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933485</id>
	<title>Re:rotate it</title>
	<author>rossdee</author>
	<datestamp>1256993760000</datestamp>
	<modclass>Funny</modclass>
	<modscore>3</modscore>
	<htmltext><p>Put a spinning deck inside the spacecraft. Then the astronuats can run around the rim to get exercise .<br>Oh and put a manual switch for the pod bay door on the outside of the ship in case the computer runs amok.</p></htmltext>
<tokenext>Put a spinning deck inside the spacecraft .
Then the astronuats can run around the rim to get exercise .Oh and put a manual switch for the pod bay door on the outside of the ship in case the computer runs amok .</tokentext>
<sentencetext>Put a spinning deck inside the spacecraft.
Then the astronuats can run around the rim to get exercise .Oh and put a manual switch for the pod bay door on the outside of the ship in case the computer runs amok.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933105</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933717</id>
	<title>Faster Spaceships</title>
	<author>tjstork</author>
	<datestamp>1256996880000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>1</modscore>
	<htmltext><p>The answer is to build a faster spaceship.  We need to have nuclear powered craft of some sort.  The distances are simply too vast for chemical rockets.  You could spend billions trying to study all the ways to keep people up in space safely for two years and probably still screw it up.  The enemy is time, so solve that problem, and everything else will fall into place.  That at least can get us around the solar system, and there should be enough materials in that to build some sort of an interstellar craft for extremely long range missions.</p></htmltext>
<tokenext>The answer is to build a faster spaceship .
We need to have nuclear powered craft of some sort .
The distances are simply too vast for chemical rockets .
You could spend billions trying to study all the ways to keep people up in space safely for two years and probably still screw it up .
The enemy is time , so solve that problem , and everything else will fall into place .
That at least can get us around the solar system , and there should be enough materials in that to build some sort of an interstellar craft for extremely long range missions .</tokentext>
<sentencetext>The answer is to build a faster spaceship.
We need to have nuclear powered craft of some sort.
The distances are simply too vast for chemical rockets.
You could spend billions trying to study all the ways to keep people up in space safely for two years and probably still screw it up.
The enemy is time, so solve that problem, and everything else will fall into place.
That at least can get us around the solar system, and there should be enough materials in that to build some sort of an interstellar craft for extremely long range missions.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933163</id>
	<title>Re:rotate it</title>
	<author>Anonymous</author>
	<datestamp>1256987160000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p><div class="quote"><p>Why not rotate the ship for "artificial gravity"?</p></div><p>the rotation speed needed.</p></div>
	</htmltext>
<tokenext>Why not rotate the ship for " artificial gravity " ? the rotation speed needed .</tokentext>
<sentencetext>Why not rotate the ship for "artificial gravity"?the rotation speed needed.
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933105</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933149</id>
	<title>Long Duration Space Flight</title>
	<author>mbone</author>
	<datestamp>1256986740000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>5</modscore>
	<htmltext><p>There have been ISS Expeditions that have lasted times comparable to at least one way to Mars - Expeditions 4, 6, 8 and 13 at least. There is no microbiological difference between orbiting the Earth and going to Mars, so I would conclude that people should be able to get to Mars just fine.</p><p>I still think that truly deep space exploration will require artificial gravity (i.e., spinning spacecraft), but this sounds like FUD to justify research funds to me.</p></htmltext>
<tokenext>There have been ISS Expeditions that have lasted times comparable to at least one way to Mars - Expeditions 4 , 6 , 8 and 13 at least .
There is no microbiological difference between orbiting the Earth and going to Mars , so I would conclude that people should be able to get to Mars just fine.I still think that truly deep space exploration will require artificial gravity ( i.e. , spinning spacecraft ) , but this sounds like FUD to justify research funds to me .</tokentext>
<sentencetext>There have been ISS Expeditions that have lasted times comparable to at least one way to Mars - Expeditions 4, 6, 8 and 13 at least.
There is no microbiological difference between orbiting the Earth and going to Mars, so I would conclude that people should be able to get to Mars just fine.I still think that truly deep space exploration will require artificial gravity (i.e., spinning spacecraft), but this sounds like FUD to justify research funds to me.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29939077</id>
	<title>Big news...</title>
	<author>goodmanj</author>
	<datestamp>1257006300000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Tonight, on Slashdot: Minor scientists beg for NASA research cash by overhyping their research interests.  Film at 11.</p></htmltext>
<tokenext>Tonight , on Slashdot : Minor scientists beg for NASA research cash by overhyping their research interests .
Film at 11 .</tokentext>
<sentencetext>Tonight, on Slashdot: Minor scientists beg for NASA research cash by overhyping their research interests.
Film at 11.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29936885</id>
	<title>Ships</title>
	<author>BeanThere</author>
	<datestamp>1256981700000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Yeah, because in the old days sailors never got sick and/or died on the way<nobr> <wbr></nobr>... we waited until the medical issues of travelling for months on ships were made 100\% safe. Man, when did humans become such a bunch of pansies.</p></htmltext>
<tokenext>Yeah , because in the old days sailors never got sick and/or died on the way ... we waited until the medical issues of travelling for months on ships were made 100 \ % safe .
Man , when did humans become such a bunch of pansies .</tokentext>
<sentencetext>Yeah, because in the old days sailors never got sick and/or died on the way ... we waited until the medical issues of travelling for months on ships were made 100\% safe.
Man, when did humans become such a bunch of pansies.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933533</id>
	<title>Cryogenic Suspension</title>
	<author>smitty777</author>
	<datestamp>1256994720000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>What about cryogenic suspension?  That would be one way of dealing with the issue.  We could either rotate the crew in suspension or do the Alien thing where the computer just wakes everyone up once they get there.</p><p>I saw it on Star Trek too...so it must be true.</p></htmltext>
<tokenext>What about cryogenic suspension ?
That would be one way of dealing with the issue .
We could either rotate the crew in suspension or do the Alien thing where the computer just wakes everyone up once they get there.I saw it on Star Trek too...so it must be true .</tokentext>
<sentencetext>What about cryogenic suspension?
That would be one way of dealing with the issue.
We could either rotate the crew in suspension or do the Alien thing where the computer just wakes everyone up once they get there.I saw it on Star Trek too...so it must be true.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933139</id>
	<title>Re:two words...</title>
	<author>operator\_error</author>
	<datestamp>1256986620000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>3</modscore>
	<htmltext><p>Hmm, I was thinking those words were gonna be: selective breeding.</p><p>Until that works out, I suggest we focus on telescopes and probes, rovers, and those things that float in seas of frozen methane. Also as a way to reduce our carbon emissions by using lower weight vehicles.</p></htmltext>
<tokenext>Hmm , I was thinking those words were gon na be : selective breeding.Until that works out , I suggest we focus on telescopes and probes , rovers , and those things that float in seas of frozen methane .
Also as a way to reduce our carbon emissions by using lower weight vehicles .</tokentext>
<sentencetext>Hmm, I was thinking those words were gonna be: selective breeding.Until that works out, I suggest we focus on telescopes and probes, rovers, and those things that float in seas of frozen methane.
Also as a way to reduce our carbon emissions by using lower weight vehicles.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933025</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933337</id>
	<title>Re:two words...</title>
	<author>Runaway1956</author>
	<datestamp>1256990880000</datestamp>
	<modclass>Redundant</modclass>
	<modscore>0</modscore>
	<htmltext><p>Well - as of this posting, first post remains the most intelligent comment on the story.  To bad some dickweed modded the post down - the moderator is totally clueless regarding the problem, or the suggested solution.</p><p>For the clueless: we have, on earth, an ecosystem, at the bacterial level.  Determining what controls the growth of pathogens would enable us to introduce those controls onto the ship.  Viruses, germs, and bacteria that may prey on those pathogens are part of that ecosystem.  Humidity, temperature, and radiation are other parts of the system.  Gravity may or may not be an important part of the system.</p><p>The core of the problem is controlling those bacterial populations - not eliminating them.  There are some good posts below explaining why it might be bad to eliminate them.</p><p>Diversified ecosystem.  lannocc really has a clue about what is going on, so mod him up, folks.</p></htmltext>
<tokenext>Well - as of this posting , first post remains the most intelligent comment on the story .
To bad some dickweed modded the post down - the moderator is totally clueless regarding the problem , or the suggested solution.For the clueless : we have , on earth , an ecosystem , at the bacterial level .
Determining what controls the growth of pathogens would enable us to introduce those controls onto the ship .
Viruses , germs , and bacteria that may prey on those pathogens are part of that ecosystem .
Humidity , temperature , and radiation are other parts of the system .
Gravity may or may not be an important part of the system.The core of the problem is controlling those bacterial populations - not eliminating them .
There are some good posts below explaining why it might be bad to eliminate them.Diversified ecosystem .
lannocc really has a clue about what is going on , so mod him up , folks .</tokentext>
<sentencetext>Well - as of this posting, first post remains the most intelligent comment on the story.
To bad some dickweed modded the post down - the moderator is totally clueless regarding the problem, or the suggested solution.For the clueless: we have, on earth, an ecosystem, at the bacterial level.
Determining what controls the growth of pathogens would enable us to introduce those controls onto the ship.
Viruses, germs, and bacteria that may prey on those pathogens are part of that ecosystem.
Humidity, temperature, and radiation are other parts of the system.
Gravity may or may not be an important part of the system.The core of the problem is controlling those bacterial populations - not eliminating them.
There are some good posts below explaining why it might be bad to eliminate them.Diversified ecosystem.
lannocc really has a clue about what is going on, so mod him up, folks.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933025</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934673</id>
	<title>Maybe they knew this in the 1970's</title>
	<author>kurt555gs</author>
	<datestamp>1257005100000</datestamp>
	<modclass>Troll</modclass>
	<modscore>0</modscore>
	<htmltext><p>Could this be the reason that the Apollo program was filmed in an abandoned aircraft hanger in Arizona?</p></htmltext>
<tokenext>Could this be the reason that the Apollo program was filmed in an abandoned aircraft hanger in Arizona ?</tokentext>
<sentencetext>Could this be the reason that the Apollo program was filmed in an abandoned aircraft hanger in Arizona?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933411</id>
	<title>Re:Diseases never prevented long distance travels</title>
	<author>phonewebcam</author>
	<datestamp>1256992380000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Those same diseases were what killed many of the people they "conquered", the natives having no immunity to them at all.</p></htmltext>
<tokenext>Those same diseases were what killed many of the people they " conquered " , the natives having no immunity to them at all .</tokentext>
<sentencetext>Those same diseases were what killed many of the people they "conquered", the natives having no immunity to them at all.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933297</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933031</id>
	<title>MiR? ISS?</title>
	<author>Mindcontrolled</author>
	<datestamp>1256984580000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>2</modscore>
	<htmltext>Well, we had people on long term space missions on Mir and ISS that are comparable in time with a mars mission, without them being eaten alive by E. coli, Salmonella and whatnot. What was the problem again?</htmltext>
<tokenext>Well , we had people on long term space missions on Mir and ISS that are comparable in time with a mars mission , without them being eaten alive by E. coli , Salmonella and whatnot .
What was the problem again ?</tokentext>
<sentencetext>Well, we had people on long term space missions on Mir and ISS that are comparable in time with a mars mission, without them being eaten alive by E. coli, Salmonella and whatnot.
What was the problem again?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933227</id>
	<title>Duh, freezer compartment ?</title>
	<author>Latinhypercube</author>
	<datestamp>1256988240000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext>Have you guys never used the Freezer before ? Seems to slow down bacterial growth very well...</htmltext>
<tokenext>Have you guys never used the Freezer before ?
Seems to slow down bacterial growth very well.. .</tokentext>
<sentencetext>Have you guys never used the Freezer before ?
Seems to slow down bacterial growth very well...</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933493</id>
	<title>Nancy boy from Nancy University . . .</title>
	<author>pacergh</author>
	<datestamp>1256993880000</datestamp>
	<modclass>Funny</modclass>
	<modscore>2</modscore>
	<htmltext>I'm just saying, maybe those Nancy frenchmen have weak immune systems, but I don't see a problem for us Americans.</htmltext>
<tokenext>I 'm just saying , maybe those Nancy frenchmen have weak immune systems , but I do n't see a problem for us Americans .</tokentext>
<sentencetext>I'm just saying, maybe those Nancy frenchmen have weak immune systems, but I don't see a problem for us Americans.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933425</id>
	<title>That's surrender monkey talk</title>
	<author>Rogerborg</author>
	<datestamp>1256992560000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>We can either choose to fight them with our microbes over there, or be <a href="http://www.fourmilab.ch/etexts/www/warworlds/warw.html" title="fourmilab.ch">forced to fight them with our microbes here</a> [fourmilab.ch].</htmltext>
<tokenext>We can either choose to fight them with our microbes over there , or be forced to fight them with our microbes here [ fourmilab.ch ] .</tokentext>
<sentencetext>We can either choose to fight them with our microbes over there, or be forced to fight them with our microbes here [fourmilab.ch].</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934093</id>
	<title>Obligatory</title>
	<author>Anonymous</author>
	<datestamp>1257000540000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Remember. Flies spread disease. So keep yours closed.</p></htmltext>
<tokenext>Remember .
Flies spread disease .
So keep yours closed .</tokentext>
<sentencetext>Remember.
Flies spread disease.
So keep yours closed.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933461</id>
	<title>Re:rotate it</title>
	<author>Anonymous</author>
	<datestamp>1256993220000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>2</modscore>
	<htmltext>Works in theory, but a rotating spacecraft would in practice be a horrible experience. To achieve enough "artificial gravity" the angular velocity needs to be pretty high (assuming that the diameter of the spacecraft is much smaller than the diameter of the earth), which in turn generates a lot of coriolis forces. These coriolis forces are not very pleasant. Ever been on a thrill ride in an amusement park? Imagine being stuck in such a rotating thing for more than a limited amount of time...</htmltext>
<tokenext>Works in theory , but a rotating spacecraft would in practice be a horrible experience .
To achieve enough " artificial gravity " the angular velocity needs to be pretty high ( assuming that the diameter of the spacecraft is much smaller than the diameter of the earth ) , which in turn generates a lot of coriolis forces .
These coriolis forces are not very pleasant .
Ever been on a thrill ride in an amusement park ?
Imagine being stuck in such a rotating thing for more than a limited amount of time.. .</tokentext>
<sentencetext>Works in theory, but a rotating spacecraft would in practice be a horrible experience.
To achieve enough "artificial gravity" the angular velocity needs to be pretty high (assuming that the diameter of the spacecraft is much smaller than the diameter of the earth), which in turn generates a lot of coriolis forces.
These coriolis forces are not very pleasant.
Ever been on a thrill ride in an amusement park?
Imagine being stuck in such a rotating thing for more than a limited amount of time...</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933105</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933739</id>
	<title>That's why you need a *big* spaceship.</title>
	<author>master\_p</author>
	<datestamp>1256997120000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>For interstellar travel, you need a big spaceship with:</p><p>a) nuclear propulsion that can accelerate the spacecraft to relativistic needs.</p><p>b) a nuclear power source, so as that the ship does not remain out of power for a long time; plus, you can run an electromagnetic shield around the craft, just like Earth has one.</p><p>c) artificial gravity with rotating sections.</p><p>d) landing craft.</p><p>e) a large sick bay.</p><p>This last item comes handy when there is sickness and disease. Furthermore, a big spaceship minimizes the chances of infection.</p><p>This craft will not land on planets. It will be constructed in orbit. It will cost trillions, but once it is built and goes operational, man can travel to other planets of our solar system with ease.</p></htmltext>
<tokenext>For interstellar travel , you need a big spaceship with : a ) nuclear propulsion that can accelerate the spacecraft to relativistic needs.b ) a nuclear power source , so as that the ship does not remain out of power for a long time ; plus , you can run an electromagnetic shield around the craft , just like Earth has one.c ) artificial gravity with rotating sections.d ) landing craft.e ) a large sick bay.This last item comes handy when there is sickness and disease .
Furthermore , a big spaceship minimizes the chances of infection.This craft will not land on planets .
It will be constructed in orbit .
It will cost trillions , but once it is built and goes operational , man can travel to other planets of our solar system with ease .</tokentext>
<sentencetext>For interstellar travel, you need a big spaceship with:a) nuclear propulsion that can accelerate the spacecraft to relativistic needs.b) a nuclear power source, so as that the ship does not remain out of power for a long time; plus, you can run an electromagnetic shield around the craft, just like Earth has one.c) artificial gravity with rotating sections.d) landing craft.e) a large sick bay.This last item comes handy when there is sickness and disease.
Furthermore, a big spaceship minimizes the chances of infection.This craft will not land on planets.
It will be constructed in orbit.
It will cost trillions, but once it is built and goes operational, man can travel to other planets of our solar system with ease.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934989</id>
	<title>Risk Shmisk</title>
	<author>Scotland Tom</author>
	<datestamp>1257008100000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Because humankind should never embark on a long journey when the threat of sickness (or hunger, or environmental dangers, or giant monsters) looms.  Come on.  If, as a species, we didn't take risks we'd either still be stuck in caves or dead.<br> <br>

NASA needs to get their heads out of their rear ends and stop dinking around with robots and probes and experiments that might possibly be useful sometime in the future when there's a plan.  They need to set big, definitive goals to get mankind back on the moon and out to Mars and work towards those ends.  Otherwise they might as well rename themselves the NAA and stop squandering taxpayer dollars on space all together.</htmltext>
<tokenext>Because humankind should never embark on a long journey when the threat of sickness ( or hunger , or environmental dangers , or giant monsters ) looms .
Come on .
If , as a species , we did n't take risks we 'd either still be stuck in caves or dead .
NASA needs to get their heads out of their rear ends and stop dinking around with robots and probes and experiments that might possibly be useful sometime in the future when there 's a plan .
They need to set big , definitive goals to get mankind back on the moon and out to Mars and work towards those ends .
Otherwise they might as well rename themselves the NAA and stop squandering taxpayer dollars on space all together .</tokentext>
<sentencetext>Because humankind should never embark on a long journey when the threat of sickness (or hunger, or environmental dangers, or giant monsters) looms.
Come on.
If, as a species, we didn't take risks we'd either still be stuck in caves or dead.
NASA needs to get their heads out of their rear ends and stop dinking around with robots and probes and experiments that might possibly be useful sometime in the future when there's a plan.
They need to set big, definitive goals to get mankind back on the moon and out to Mars and work towards those ends.
Otherwise they might as well rename themselves the NAA and stop squandering taxpayer dollars on space all together.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933401</id>
	<title>Re:two words...</title>
	<author>Goffee71</author>
	<datestamp>1256992260000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Four words; all-over body condom. See our great heroes boinking about the red planet in complete safety</htmltext>
<tokenext>Four words ; all-over body condom .
See our great heroes boinking about the red planet in complete safety</tokentext>
<sentencetext>Four words; all-over body condom.
See our great heroes boinking about the red planet in complete safety</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933025</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933483</id>
	<title>don't send fags.</title>
	<author>Anonymous</author>
	<datestamp>1256993760000</datestamp>
	<modclass>Troll</modclass>
	<modscore>-1</modscore>
	<htmltext>those bitches got all the diseases because they eat shit out of other faggot asses and suck their own shit off of other faggot dicks.</htmltext>
<tokenext>those bitches got all the diseases because they eat shit out of other faggot asses and suck their own shit off of other faggot dicks .</tokentext>
<sentencetext>those bitches got all the diseases because they eat shit out of other faggot asses and suck their own shit off of other faggot dicks.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29937827</id>
	<title>Re: It's over</title>
	<author>Anonymous</author>
	<datestamp>1256992380000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Wrap it up.  We are finished here.  NASA was just a ponzi scheme that dupped the USA out of Buttzillions of $$$$.</p></htmltext>
<tokenext>Wrap it up .
We are finished here .
NASA was just a ponzi scheme that dupped the USA out of Buttzillions of $ $ $ $ .</tokentext>
<sentencetext>Wrap it up.
We are finished here.
NASA was just a ponzi scheme that dupped the USA out of Buttzillions of $$$$.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29945984</id>
	<title>Re:What pussies we've become.</title>
	<author>lennier</author>
	<datestamp>1257084360000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>"Boy how would those trips compare to early the first voyages to the "New World""</p><p>Well, no Indians there at the other end for a start.</p><p>Also no corn, sugar cane, potatoes, tomatoes, tobacco, turkeys, buffalo, passenger pigeons, Missippi, Great Lakes, Montezuma, or oxygen.</p><p>Other than that, exactly the same!</p></htmltext>
<tokenext>" Boy how would those trips compare to early the first voyages to the " New World " " Well , no Indians there at the other end for a start.Also no corn , sugar cane , potatoes , tomatoes , tobacco , turkeys , buffalo , passenger pigeons , Missippi , Great Lakes , Montezuma , or oxygen.Other than that , exactly the same !</tokentext>
<sentencetext>"Boy how would those trips compare to early the first voyages to the "New World""Well, no Indians there at the other end for a start.Also no corn, sugar cane, potatoes, tomatoes, tobacco, turkeys, buffalo, passenger pigeons, Missippi, Great Lakes, Montezuma, or oxygen.Other than that, exactly the same!</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933197</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933541</id>
	<title>Re:What pussies we've become.</title>
	<author>psnyder</author>
	<datestamp>1256994840000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>There was a large demand to get to the "New World" to both flee persecution and make money.  Many individuals, corporations, and governments could see a tangible opportunity worth the risk.<br> <br>

Few people want to flee Earth at the moment, and getting to Mars is still a rather poor monetary investment.</htmltext>
<tokenext>There was a large demand to get to the " New World " to both flee persecution and make money .
Many individuals , corporations , and governments could see a tangible opportunity worth the risk .
Few people want to flee Earth at the moment , and getting to Mars is still a rather poor monetary investment .</tokentext>
<sentencetext>There was a large demand to get to the "New World" to both flee persecution and make money.
Many individuals, corporations, and governments could see a tangible opportunity worth the risk.
Few people want to flee Earth at the moment, and getting to Mars is still a rather poor monetary investment.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933197</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933297</id>
	<title>Diseases never prevented long distance travels</title>
	<author>Fuzzzy</author>
	<datestamp>1256990160000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>3</modscore>
	<htmltext>The conquistadors at the 15th century were able to travel long distances on ships full of diseases, and yet conquered and eliminated the native civilizations of America. Diseases may be a difficulty, but they won't prevent space travel.</htmltext>
<tokenext>The conquistadors at the 15th century were able to travel long distances on ships full of diseases , and yet conquered and eliminated the native civilizations of America .
Diseases may be a difficulty , but they wo n't prevent space travel .</tokentext>
<sentencetext>The conquistadors at the 15th century were able to travel long distances on ships full of diseases, and yet conquered and eliminated the native civilizations of America.
Diseases may be a difficulty, but they won't prevent space travel.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29937243</id>
	<title>Re:meat</title>
	<author>Anonymous</author>
	<datestamp>1256985480000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Off site backup!</p></htmltext>
<tokenext>Off site backup !</tokentext>
<sentencetext>Off site backup!</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933129</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29953390</id>
	<title>Re:Long Duration Space Flight</title>
	<author>bill\_mcgonigle</author>
	<datestamp>1257192600000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p><i>I still think that truly deep space exploration will require artificial gravity (i.e., spinning spacecraft), but this sounds like FUD to justify research funds to me.</i></p><p>I've heard it told (though IANAA) that being sensitive to smells isn't a qualifier for spaceflight.  Adults wearing diapers, zero-G toilets, no showers.</p><p>No wonder there are problems with the same challenges as basic hygiene.</p></htmltext>
<tokenext>I still think that truly deep space exploration will require artificial gravity ( i.e. , spinning spacecraft ) , but this sounds like FUD to justify research funds to me.I 've heard it told ( though IANAA ) that being sensitive to smells is n't a qualifier for spaceflight .
Adults wearing diapers , zero-G toilets , no showers.No wonder there are problems with the same challenges as basic hygiene .</tokentext>
<sentencetext>I still think that truly deep space exploration will require artificial gravity (i.e., spinning spacecraft), but this sounds like FUD to justify research funds to me.I've heard it told (though IANAA) that being sensitive to smells isn't a qualifier for spaceflight.
Adults wearing diapers, zero-G toilets, no showers.No wonder there are problems with the same challenges as basic hygiene.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933149</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933409</id>
	<title>Re:Diseases never prevented long distance travels</title>
	<author>PolygamousRanchKid </author>
	<datestamp>1256992380000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Actually, the conquistadors' diseases <b>helped</b> them to conquer and eliminate the native civilizations of America.
</p><p>Who knows, maybe our first gift to aliens, when we first meet them, will be some of the nasty critters in the human body.
</p><p>On the other hand, maybe when we reach Mars, we might run into some kind of Andromeda Strain.
</p><p>"Yippee!  We discovered life on Mars!  Um, but its not quite how we imagined it."</p></htmltext>
<tokenext>Actually , the conquistadors ' diseases helped them to conquer and eliminate the native civilizations of America .
Who knows , maybe our first gift to aliens , when we first meet them , will be some of the nasty critters in the human body .
On the other hand , maybe when we reach Mars , we might run into some kind of Andromeda Strain .
" Yippee ! We discovered life on Mars !
Um , but its not quite how we imagined it .
"</tokentext>
<sentencetext>Actually, the conquistadors' diseases helped them to conquer and eliminate the native civilizations of America.
Who knows, maybe our first gift to aliens, when we first meet them, will be some of the nasty critters in the human body.
On the other hand, maybe when we reach Mars, we might run into some kind of Andromeda Strain.
"Yippee!  We discovered life on Mars!
Um, but its not quite how we imagined it.
"</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933297</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29935223</id>
	<title>Re:meat</title>
	<author>fastest fascist</author>
	<datestamp>1257010440000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>For one thing, human intelligence is something we already have. Strong AI is something we might have one day.</htmltext>
<tokenext>For one thing , human intelligence is something we already have .
Strong AI is something we might have one day .</tokentext>
<sentencetext>For one thing, human intelligence is something we already have.
Strong AI is something we might have one day.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933129</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29935377</id>
	<title>Re:meat</title>
	<author>4D6963</author>
	<datestamp>1257011940000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Yeah sure, the solution to the problem isn't something that's possible but something that doesn't exist yet and might never exist. I say we beam up some strong AI hard-light holograms!</p></htmltext>
<tokenext>Yeah sure , the solution to the problem is n't something that 's possible but something that does n't exist yet and might never exist .
I say we beam up some strong AI hard-light holograms !</tokentext>
<sentencetext>Yeah sure, the solution to the problem isn't something that's possible but something that doesn't exist yet and might never exist.
I say we beam up some strong AI hard-light holograms!</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933129</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934745</id>
	<title>Re:two words...</title>
	<author>Anonymous</author>
	<datestamp>1257005820000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>1</modscore>
	<htmltext><p>It's really simple folks:  The first group of men and women (all paired up to have families) will NEVER be allowed to return to Earth.  Their children (born on Mars) will NEVER be able to visit Earth, but if their children's children are fine and everything is handled properly, they may one day visit Earth.  It's simple like I said:  Bad things are going to happen, some of which will be genetic/virus/bacteria/etc related.  Until the teams solve these problems, have a periodic drop of a couple or two (meaning a couple ready to start a family but have good technical know-how to contribute to the colony) every 2-5 years to keep testing the waters, blend it all together with the creation of vaccinations and the like, we are not going anywhere...</p></htmltext>
<tokenext>It 's really simple folks : The first group of men and women ( all paired up to have families ) will NEVER be allowed to return to Earth .
Their children ( born on Mars ) will NEVER be able to visit Earth , but if their children 's children are fine and everything is handled properly , they may one day visit Earth .
It 's simple like I said : Bad things are going to happen , some of which will be genetic/virus/bacteria/etc related .
Until the teams solve these problems , have a periodic drop of a couple or two ( meaning a couple ready to start a family but have good technical know-how to contribute to the colony ) every 2-5 years to keep testing the waters , blend it all together with the creation of vaccinations and the like , we are not going anywhere.. .</tokentext>
<sentencetext>It's really simple folks:  The first group of men and women (all paired up to have families) will NEVER be allowed to return to Earth.
Their children (born on Mars) will NEVER be able to visit Earth, but if their children's children are fine and everything is handled properly, they may one day visit Earth.
It's simple like I said:  Bad things are going to happen, some of which will be genetic/virus/bacteria/etc related.
Until the teams solve these problems, have a periodic drop of a couple or two (meaning a couple ready to start a family but have good technical know-how to contribute to the colony) every 2-5 years to keep testing the waters, blend it all together with the creation of vaccinations and the like, we are not going anywhere...</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933025</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934145</id>
	<title>Re:Diseases never prevented long distance travels</title>
	<author>shentino</author>
	<datestamp>1257000960000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>The disease helped them conquer the natives.</p></htmltext>
<tokenext>The disease helped them conquer the natives .</tokentext>
<sentencetext>The disease helped them conquer the natives.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933297</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933955</id>
	<title>Re:Sterile</title>
	<author>Anonymous</author>
	<datestamp>1256999220000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>3</modscore>
	<htmltext><p>Thats what I was thinking. Surely a small capsule with a handful of people surrounded by thousands of miles of near-vacuum is about as close to a clean-room environment as you can get.</p><p>Sterilize everything, let them spend a blissful year or two in splendid good health, then worry about their poor shattered immune systems when they get back.</p></htmltext>
<tokenext>Thats what I was thinking .
Surely a small capsule with a handful of people surrounded by thousands of miles of near-vacuum is about as close to a clean-room environment as you can get.Sterilize everything , let them spend a blissful year or two in splendid good health , then worry about their poor shattered immune systems when they get back .</tokentext>
<sentencetext>Thats what I was thinking.
Surely a small capsule with a handful of people surrounded by thousands of miles of near-vacuum is about as close to a clean-room environment as you can get.Sterilize everything, let them spend a blissful year or two in splendid good health, then worry about their poor shattered immune systems when they get back.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933075</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933853</id>
	<title>Re:Well, ain't it a bitch.</title>
	<author>Johnno74</author>
	<datestamp>1256998260000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Yeah but the way things are going the conditions might not be "just fine" one day, and we should be practicing with closed mini-biospheres and things now.</p></htmltext>
<tokenext>Yeah but the way things are going the conditions might not be " just fine " one day , and we should be practicing with closed mini-biospheres and things now .</tokentext>
<sentencetext>Yeah but the way things are going the conditions might not be "just fine" one day, and we should be practicing with closed mini-biospheres and things now.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933145</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29937373</id>
	<title>Re:What pussies we've become.</title>
	<author>mr exploiter</author>
	<datestamp>1256987040000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>If we are such a pussies why don't you build a rocket in your garage and and go to mars by yourself. At least you'll contribute to the quality of the human genome by doing that.</htmltext>
<tokenext>If we are such a pussies why do n't you build a rocket in your garage and and go to mars by yourself .
At least you 'll contribute to the quality of the human genome by doing that .</tokentext>
<sentencetext>If we are such a pussies why don't you build a rocket in your garage and and go to mars by yourself.
At least you'll contribute to the quality of the human genome by doing that.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933197</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933527</id>
	<title>Docs in Space</title>
	<author>Anonymous</author>
	<datestamp>1256994540000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>What this post is suggesting is that the type of astronaut and the type of medicine practiced needs to be revisited.  Is there now a need to send astronaut doctors as part of the mission team?  Will discoveries made on these missions translate to new and better medical treatments here on terra firma?  There have been plenty of other spin offs from the space program, why not [at least] one more?</p></htmltext>
<tokenext>What this post is suggesting is that the type of astronaut and the type of medicine practiced needs to be revisited .
Is there now a need to send astronaut doctors as part of the mission team ?
Will discoveries made on these missions translate to new and better medical treatments here on terra firma ?
There have been plenty of other spin offs from the space program , why not [ at least ] one more ?</tokentext>
<sentencetext>What this post is suggesting is that the type of astronaut and the type of medicine practiced needs to be revisited.
Is there now a need to send astronaut doctors as part of the mission team?
Will discoveries made on these missions translate to new and better medical treatments here on terra firma?
There have been plenty of other spin offs from the space program, why not [at least] one more?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29935581</id>
	<title>Cover interior of the ship in this</title>
	<author>Anonymous</author>
	<datestamp>1257013860000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>http://www.popsci.com/science/article/2009-10/saving-skin</p><p>"A whale&rsquo;s skin is easily glommed up with barnacles, algae, bacteria and other sea creatures, but sharks stay squeaky-clean. Although these parasites can pile onto a shark&rsquo;s rippled skin too, they can&rsquo;t take hold and thus simply wash away. Now scientists have printed that pattern on an adhesive film that will repel bacteria pathogens from hospitals and public restrooms."</p></htmltext>
<tokenext>http : //www.popsci.com/science/article/2009-10/saving-skin " A whale    s skin is easily glommed up with barnacles , algae , bacteria and other sea creatures , but sharks stay squeaky-clean .
Although these parasites can pile onto a shark    s rippled skin too , they can    t take hold and thus simply wash away .
Now scientists have printed that pattern on an adhesive film that will repel bacteria pathogens from hospitals and public restrooms .
"</tokentext>
<sentencetext>http://www.popsci.com/science/article/2009-10/saving-skin"A whale’s skin is easily glommed up with barnacles, algae, bacteria and other sea creatures, but sharks stay squeaky-clean.
Although these parasites can pile onto a shark’s rippled skin too, they can’t take hold and thus simply wash away.
Now scientists have printed that pattern on an adhesive film that will repel bacteria pathogens from hospitals and public restrooms.
"</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933197</id>
	<title>What pussies we've become.</title>
	<author>Anonymous</author>
	<datestamp>1256987580000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>5</modscore>
	<htmltext><p>Boy how would those trips compare to early the first voyages to the "New World", except that they will probably be more clean, more antiseptic, and their health will be monitored much more closely.</p><p>What's worse tuill now no one has pointed this out. What pussies we've become.</p></htmltext>
<tokenext>Boy how would those trips compare to early the first voyages to the " New World " , except that they will probably be more clean , more antiseptic , and their health will be monitored much more closely.What 's worse tuill now no one has pointed this out .
What pussies we 've become .</tokentext>
<sentencetext>Boy how would those trips compare to early the first voyages to the "New World", except that they will probably be more clean, more antiseptic, and their health will be monitored much more closely.What's worse tuill now no one has pointed this out.
What pussies we've become.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29936321</id>
	<title>Here we go again.</title>
	<author>Anonymous</author>
	<datestamp>1257020640000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Here we go yet anothe bunch of we should not go into space panties finding yet another spanner to attempt to stop man getting off this lump of space debries we call home  what is it with people these days that makes them such blithering WHIMPS you cant do that you might get hurt   well hey people signup to go into space KNOWING there are dangers they accept said dangers else they would NOT have signed up to go so will the pathetic whimps please GO AWAY and let man do what man has to do explore and spread</p></htmltext>
<tokenext>Here we go yet anothe bunch of we should not go into space panties finding yet another spanner to attempt to stop man getting off this lump of space debries we call home what is it with people these days that makes them such blithering WHIMPS you cant do that you might get hurt well hey people signup to go into space KNOWING there are dangers they accept said dangers else they would NOT have signed up to go so will the pathetic whimps please GO AWAY and let man do what man has to do explore and spread</tokentext>
<sentencetext>Here we go yet anothe bunch of we should not go into space panties finding yet another spanner to attempt to stop man getting off this lump of space debries we call home  what is it with people these days that makes them such blithering WHIMPS you cant do that you might get hurt   well hey people signup to go into space KNOWING there are dangers they accept said dangers else they would NOT have signed up to go so will the pathetic whimps please GO AWAY and let man do what man has to do explore and spread</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933145</id>
	<title>Well, ain't it a bitch.</title>
	<author>Anonymous</author>
	<datestamp>1256986680000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>3</modscore>
	<htmltext><p>Maybe we're meant to be on Earth after all? The conditions seem just fine,<nobr> <wbr></nobr>... for now at least.</p><p>But please, send more robots first. They can do a lot more with a lot less controversy.</p></htmltext>
<tokenext>Maybe we 're meant to be on Earth after all ?
The conditions seem just fine , ... for now at least.But please , send more robots first .
They can do a lot more with a lot less controversy .</tokentext>
<sentencetext>Maybe we're meant to be on Earth after all?
The conditions seem just fine, ... for now at least.But please, send more robots first.
They can do a lot more with a lot less controversy.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29935679</id>
	<title>I'm not a rocket scientist, but...</title>
	<author>Wingsy</author>
	<datestamp>1257014820000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>2</modscore>
	<htmltext><p>Tie a rope around the crew module and the lander. Separate them by a few hundred feet and start them orbiting each other. Instant gravity.</p><p>Borrow a superconducting magnet from the LHC and place it at the center of the 2 modules. Shields up.</p><p>Now what's the problem?</p></htmltext>
<tokenext>Tie a rope around the crew module and the lander .
Separate them by a few hundred feet and start them orbiting each other .
Instant gravity.Borrow a superconducting magnet from the LHC and place it at the center of the 2 modules .
Shields up.Now what 's the problem ?</tokentext>
<sentencetext>Tie a rope around the crew module and the lander.
Separate them by a few hundred feet and start them orbiting each other.
Instant gravity.Borrow a superconducting magnet from the LHC and place it at the center of the 2 modules.
Shields up.Now what's the problem?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29985014</id>
	<title>Re:Well, ain't it a bitch.</title>
	<author>Trogre</author>
	<datestamp>1256982060000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Be careful who you say that around - there's plenty of new age nutters who believe humans are tied by some invisible cord to the planet and any space-related illness must be caused by spiritual separation from Mother Earth.</p></htmltext>
<tokenext>Be careful who you say that around - there 's plenty of new age nutters who believe humans are tied by some invisible cord to the planet and any space-related illness must be caused by spiritual separation from Mother Earth .</tokentext>
<sentencetext>Be careful who you say that around - there's plenty of new age nutters who believe humans are tied by some invisible cord to the planet and any space-related illness must be caused by spiritual separation from Mother Earth.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933145</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933075</id>
	<title>Sterile</title>
	<author>symes</author>
	<datestamp>1256985360000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Wouldn't it help to have them in a sterile environment for a prolonged period to make sure they are not taking any particularly nasty microbes on in the first place? Perhaps give them a few shots of antibiotics to be on the safe side? Or even give them some immune boosting drugs to take along. Oh and make sure they take a lot of brocolli with them and that they eat all their vegetables.</htmltext>
<tokenext>Would n't it help to have them in a sterile environment for a prolonged period to make sure they are not taking any particularly nasty microbes on in the first place ?
Perhaps give them a few shots of antibiotics to be on the safe side ?
Or even give them some immune boosting drugs to take along .
Oh and make sure they take a lot of brocolli with them and that they eat all their vegetables .</tokentext>
<sentencetext>Wouldn't it help to have them in a sterile environment for a prolonged period to make sure they are not taking any particularly nasty microbes on in the first place?
Perhaps give them a few shots of antibiotics to be on the safe side?
Or even give them some immune boosting drugs to take along.
Oh and make sure they take a lot of brocolli with them and that they eat all their vegetables.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933455</id>
	<title>Re:What pussies we've become.</title>
	<author>cowboy76Spain</author>
	<datestamp>1256993220000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>They didn't know there were things as microbes (or that you need to have a diet with vitamin C to avoid scurvy).</p><p>They sure knew there was a risk in taking the travel (as there was a risk in every sea travel), but I am pretty sure too that, had they know about these things, they would have taken steps to avoid/minimize the risks.</p><p>Don't take ignorance for courage.</p></htmltext>
<tokenext>They did n't know there were things as microbes ( or that you need to have a diet with vitamin C to avoid scurvy ) .They sure knew there was a risk in taking the travel ( as there was a risk in every sea travel ) , but I am pretty sure too that , had they know about these things , they would have taken steps to avoid/minimize the risks.Do n't take ignorance for courage .</tokentext>
<sentencetext>They didn't know there were things as microbes (or that you need to have a diet with vitamin C to avoid scurvy).They sure knew there was a risk in taking the travel (as there was a risk in every sea travel), but I am pretty sure too that, had they know about these things, they would have taken steps to avoid/minimize the risks.Don't take ignorance for courage.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933197</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933469</id>
	<title>Re:meat</title>
	<author>John Hasler</author>
	<datestamp>1256993460000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>&gt; Why do we care about sending our meatbag selves to other planets? I'd be more<br>&gt; productive if we could just send some strong AI to do it for us.</p><p>"The meek shall inherit the Earth.  The rest of us shall go on to the stars".</p><p>You are more than welcome to stay right there in your mother's basement and watch.  You'll be safe and warm.  No need to go out into the big scary world at all.</p></htmltext>
<tokenext>&gt; Why do we care about sending our meatbag selves to other planets ?
I 'd be more &gt; productive if we could just send some strong AI to do it for us .
" The meek shall inherit the Earth .
The rest of us shall go on to the stars " .You are more than welcome to stay right there in your mother 's basement and watch .
You 'll be safe and warm .
No need to go out into the big scary world at all .</tokentext>
<sentencetext>&gt; Why do we care about sending our meatbag selves to other planets?
I'd be more&gt; productive if we could just send some strong AI to do it for us.
"The meek shall inherit the Earth.
The rest of us shall go on to the stars".You are more than welcome to stay right there in your mother's basement and watch.
You'll be safe and warm.
No need to go out into the big scary world at all.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933129</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934203</id>
	<title>Inevitable.</title>
	<author>Anonymous</author>
	<datestamp>1257001440000</datestamp>
	<modclass>Flamebait</modclass>
	<modscore>-1</modscore>
	<htmltext>It's God's will.</htmltext>
<tokenext>It 's God 's will .</tokentext>
<sentencetext>It's God's will.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934799</id>
	<title>Re:MiR? ISS?</title>
	<author>smoker2</author>
	<datestamp>1257006300000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>The space stations are in low earth orbit. So they are protected by the earths magnetic field from lethal cosmic radiation. Without that protection, the human immune system has to battle on too many fronts while being actively weakened by the radiation.</htmltext>
<tokenext>The space stations are in low earth orbit .
So they are protected by the earths magnetic field from lethal cosmic radiation .
Without that protection , the human immune system has to battle on too many fronts while being actively weakened by the radiation .</tokentext>
<sentencetext>The space stations are in low earth orbit.
So they are protected by the earths magnetic field from lethal cosmic radiation.
Without that protection, the human immune system has to battle on too many fronts while being actively weakened by the radiation.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933031</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934217</id>
	<title>The premise is already outdated.</title>
	<author>Anonymous</author>
	<datestamp>1257001500000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>I hate these articles which ignore the reality that humans have already discovered anti-gravity propulsion and that humans have already walked Mars.  Who cares if disease was or never was an issue?  Postings like these are nothing more than propaganda designed to reinforce the mainstream lies regarding the status of human/humanoid activity in space.</p></htmltext>
<tokenext>I hate these articles which ignore the reality that humans have already discovered anti-gravity propulsion and that humans have already walked Mars .
Who cares if disease was or never was an issue ?
Postings like these are nothing more than propaganda designed to reinforce the mainstream lies regarding the status of human/humanoid activity in space .</tokentext>
<sentencetext>I hate these articles which ignore the reality that humans have already discovered anti-gravity propulsion and that humans have already walked Mars.
Who cares if disease was or never was an issue?
Postings like these are nothing more than propaganda designed to reinforce the mainstream lies regarding the status of human/humanoid activity in space.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933981</id>
	<title>How is the reason not blatantly obvious?</title>
	<author>Hurricane78</author>
	<datestamp>1256999400000</datestamp>
	<modclass>Troll</modclass>
	<modscore>0</modscore>
	<htmltext><p>They don't exactly grow their food in space. So fresh food is rare. And no. Neither heated, nor frozen food suffices in the long term. Let alone the total trash that is what we call "normal food". Meaning everything that's processed<nobr> <wbr></nobr>...and processed again,<nobr> <wbr></nobr>...until it's more a chemo-cocktail, with tons of wrecked proteins, destroyed molecules, and all vital substances out of balance, than species-appropriate food.</p><p>Sorry, but as long as you keep that mentality, and shoot "normal" "food" (according to the average joe or the food chemist) into space, people will, just as on sailing ships, become sick of many various things. Just like we do down here. But much quicker. We call them "age-related" diseases, because we think they come because of age. When in reality, they come *with* age. Because of decades of eating trash.</p></htmltext>
<tokenext>They do n't exactly grow their food in space .
So fresh food is rare .
And no .
Neither heated , nor frozen food suffices in the long term .
Let alone the total trash that is what we call " normal food " .
Meaning everything that 's processed ...and processed again , ...until it 's more a chemo-cocktail , with tons of wrecked proteins , destroyed molecules , and all vital substances out of balance , than species-appropriate food.Sorry , but as long as you keep that mentality , and shoot " normal " " food " ( according to the average joe or the food chemist ) into space , people will , just as on sailing ships , become sick of many various things .
Just like we do down here .
But much quicker .
We call them " age-related " diseases , because we think they come because of age .
When in reality , they come * with * age .
Because of decades of eating trash .</tokentext>
<sentencetext>They don't exactly grow their food in space.
So fresh food is rare.
And no.
Neither heated, nor frozen food suffices in the long term.
Let alone the total trash that is what we call "normal food".
Meaning everything that's processed ...and processed again, ...until it's more a chemo-cocktail, with tons of wrecked proteins, destroyed molecules, and all vital substances out of balance, than species-appropriate food.Sorry, but as long as you keep that mentality, and shoot "normal" "food" (according to the average joe or the food chemist) into space, people will, just as on sailing ships, become sick of many various things.
Just like we do down here.
But much quicker.
We call them "age-related" diseases, because we think they come because of age.
When in reality, they come *with* age.
Because of decades of eating trash.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29935217</id>
	<title>Why Haven't They Tried Spinning Up......</title>
	<author>SwedishChef</author>
	<datestamp>1257010320000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Why haven't they tried spinning up a spacecraft to simulate gravity? It seems like a logical step but NASA has been quiet about doing this. At least it would ameliorate (heh... I get points for using that word) some of the issues with long periods of time in zero gravity.</p></htmltext>
<tokenext>Why have n't they tried spinning up a spacecraft to simulate gravity ?
It seems like a logical step but NASA has been quiet about doing this .
At least it would ameliorate ( heh... I get points for using that word ) some of the issues with long periods of time in zero gravity .</tokentext>
<sentencetext>Why haven't they tried spinning up a spacecraft to simulate gravity?
It seems like a logical step but NASA has been quiet about doing this.
At least it would ameliorate (heh... I get points for using that word) some of the issues with long periods of time in zero gravity.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933027</id>
	<title>Man</title>
	<author>Anonymous</author>
	<datestamp>1256984280000</datestamp>
	<modclass>Redundant</modclass>
	<modscore>-1</modscore>
	<htmltext><p>That sucks</p></htmltext>
<tokenext>That sucks</tokentext>
<sentencetext>That sucks</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934667</id>
	<title>Re:That's why you need a *big* spaceship.</title>
	<author>mbone</author>
	<datestamp>1257005040000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>All of the other items might be without our power, but we do not know how to do this :</p><p><i>a) nuclear propulsion that can accelerate the spacecraft to relativistic needs.</i></p><p>Let's consider two candidates - <a href="http://en.wikipedia.org/wiki/Project\_Orion\_(nuclear\_propulsion)" title="wikipedia.org">Project Orion</a> [wikipedia.org], with an effective exhaust velocity of maybe 30 km / sec (10^-4 c) , and the <a href="http://en.wikipedia.org/wiki/Project\_Daedalus" title="wikipedia.org">Project Daedalus</a> [wikipedia.org] design, with an  effective exhaust velocity of 10,000 km / sec (0.03 c). Suppose we wanted to travel at 0.1 c - landing at the far end means the total delta v is 0.2 c (60,000 km/sec).  (Note that Daedalus assumed a design speed of 0.12 c, and so needed a higher mass ratio). Finally, assume that the actual spaceship payload weight (i.e., the space for the people and life support and any instrumentation) is 1000 tons (the ISS is currently 300 tons). Using the <a href="http://en.wikipedia.org/wiki/Rocket\_equation" title="wikipedia.org">rocket equation</a> [wikipedia.org], and assuming no weight is needed for propellant tanks,</p><p>- the Orion design has a mass ratio (initial over final mass) of 10^434 , and is just wildly impossible.</p><p>- the Daedalus design has a mass ratio of 786, thus an initial mass of almost a megaton - but this assumes carrying 1 megaton of fuel with no fuel tanks, which is completely unrealistic. The REPRO version of Daedalus (which allowed for the deceleration of a 443 ton payload) had a design weight in Earth orbit of 10 million tons.</p><p>So, Daedalus is an engineering possibility, maybe, for flights to the stars in a human lifetime. Note that this requires megatons of Helium-3, all of which has got to be mined outside the Earth (as our Helium is all Helium-4), and there are various other engineering difficulties, but I could see a major global effort, say of the scale of World War II, producing Daedalus ships.</p><p>If you want to get to close to 1 c, say 0.9 c, and then decelerate at the far end, the Daedalus design would require a mass ratio of 10^26, which is not feasible. The only way we know of to do that is with anti-matter. Given that we neither know how to product and store significant quantities of anti-matter, nor how to turn it into a working rocket, I have to conclude that we have no feasible means of creating a relativistic spaceship at present. Generation ships, yes, if we wanted to. But not relativistic ships.</p></htmltext>
<tokenext>All of the other items might be without our power , but we do not know how to do this : a ) nuclear propulsion that can accelerate the spacecraft to relativistic needs.Let 's consider two candidates - Project Orion [ wikipedia.org ] , with an effective exhaust velocity of maybe 30 km / sec ( 10 ^ -4 c ) , and the Project Daedalus [ wikipedia.org ] design , with an effective exhaust velocity of 10,000 km / sec ( 0.03 c ) .
Suppose we wanted to travel at 0.1 c - landing at the far end means the total delta v is 0.2 c ( 60,000 km/sec ) .
( Note that Daedalus assumed a design speed of 0.12 c , and so needed a higher mass ratio ) .
Finally , assume that the actual spaceship payload weight ( i.e. , the space for the people and life support and any instrumentation ) is 1000 tons ( the ISS is currently 300 tons ) .
Using the rocket equation [ wikipedia.org ] , and assuming no weight is needed for propellant tanks,- the Orion design has a mass ratio ( initial over final mass ) of 10 ^ 434 , and is just wildly impossible.- the Daedalus design has a mass ratio of 786 , thus an initial mass of almost a megaton - but this assumes carrying 1 megaton of fuel with no fuel tanks , which is completely unrealistic .
The REPRO version of Daedalus ( which allowed for the deceleration of a 443 ton payload ) had a design weight in Earth orbit of 10 million tons.So , Daedalus is an engineering possibility , maybe , for flights to the stars in a human lifetime .
Note that this requires megatons of Helium-3 , all of which has got to be mined outside the Earth ( as our Helium is all Helium-4 ) , and there are various other engineering difficulties , but I could see a major global effort , say of the scale of World War II , producing Daedalus ships.If you want to get to close to 1 c , say 0.9 c , and then decelerate at the far end , the Daedalus design would require a mass ratio of 10 ^ 26 , which is not feasible .
The only way we know of to do that is with anti-matter .
Given that we neither know how to product and store significant quantities of anti-matter , nor how to turn it into a working rocket , I have to conclude that we have no feasible means of creating a relativistic spaceship at present .
Generation ships , yes , if we wanted to .
But not relativistic ships .</tokentext>
<sentencetext>All of the other items might be without our power, but we do not know how to do this :a) nuclear propulsion that can accelerate the spacecraft to relativistic needs.Let's consider two candidates - Project Orion [wikipedia.org], with an effective exhaust velocity of maybe 30 km / sec (10^-4 c) , and the Project Daedalus [wikipedia.org] design, with an  effective exhaust velocity of 10,000 km / sec (0.03 c).
Suppose we wanted to travel at 0.1 c - landing at the far end means the total delta v is 0.2 c (60,000 km/sec).
(Note that Daedalus assumed a design speed of 0.12 c, and so needed a higher mass ratio).
Finally, assume that the actual spaceship payload weight (i.e., the space for the people and life support and any instrumentation) is 1000 tons (the ISS is currently 300 tons).
Using the rocket equation [wikipedia.org], and assuming no weight is needed for propellant tanks,- the Orion design has a mass ratio (initial over final mass) of 10^434 , and is just wildly impossible.- the Daedalus design has a mass ratio of 786, thus an initial mass of almost a megaton - but this assumes carrying 1 megaton of fuel with no fuel tanks, which is completely unrealistic.
The REPRO version of Daedalus (which allowed for the deceleration of a 443 ton payload) had a design weight in Earth orbit of 10 million tons.So, Daedalus is an engineering possibility, maybe, for flights to the stars in a human lifetime.
Note that this requires megatons of Helium-3, all of which has got to be mined outside the Earth (as our Helium is all Helium-4), and there are various other engineering difficulties, but I could see a major global effort, say of the scale of World War II, producing Daedalus ships.If you want to get to close to 1 c, say 0.9 c, and then decelerate at the far end, the Daedalus design would require a mass ratio of 10^26, which is not feasible.
The only way we know of to do that is with anti-matter.
Given that we neither know how to product and store significant quantities of anti-matter, nor how to turn it into a working rocket, I have to conclude that we have no feasible means of creating a relativistic spaceship at present.
Generation ships, yes, if we wanted to.
But not relativistic ships.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933739</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29935873</id>
	<title>Re:that's an easy one.</title>
	<author>symbolset</author>
	<datestamp>1257016440000</datestamp>
	<modclass>Funny</modclass>
	<modscore>2</modscore>
	<htmltext><p>Paging Valentine Michael Smith.  Valentine Michael Smith please report to thread <a href="http://science.slashdot.org/article.pl?sid=09/10/31/0510212" title="slashdot.org" rel="nofollow">0510212</a> [slashdot.org].</p></htmltext>
<tokenext>Paging Valentine Michael Smith .
Valentine Michael Smith please report to thread 0510212 [ slashdot.org ] .</tokentext>
<sentencetext>Paging Valentine Michael Smith.
Valentine Michael Smith please report to thread 0510212 [slashdot.org].</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933091</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933157</id>
	<title>increased colonization</title>
	<author>MelodicMotives</author>
	<datestamp>1256986920000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Sounds like a good thing!</htmltext>
<tokenext>Sounds like a good thing !</tokentext>
<sentencetext>Sounds like a good thing!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934165</id>
	<title>Use Nuclear rockets</title>
	<author>Purpendicular</author>
	<datestamp>1257001140000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext>It is really sad that nuclear rockets were abandoned when the space race was won by the US against the Russians.
Nuclear rockets consist of a reactor that heats hydrogen that is accelerated.<br>

A nuclear rocket would take 3 months to get to mars, 3 months back. Back in 1970, 400 M $ were missing to get the first one off the ground as a third stage of an Apollo rocket.<br>

The theoretical useful weight for a nuclear rocket is 38\% of the total that can go up in space, compared to 4\% for a chemical rocket.<br>

Nerva-2 would have developped 5000 MW and 90 tonnes of lift. Nerva-1 had already been tested on the ground. 1100 MW and 25 ton lift.<br>

As soon as the Chinese threaten to do this, the US might be back in the race. One can always hope.<br>

The plan in the early 1970ies was to send two of these off to Mars (for obvious redundancy purposes).</htmltext>
<tokenext>It is really sad that nuclear rockets were abandoned when the space race was won by the US against the Russians .
Nuclear rockets consist of a reactor that heats hydrogen that is accelerated .
A nuclear rocket would take 3 months to get to mars , 3 months back .
Back in 1970 , 400 M $ were missing to get the first one off the ground as a third stage of an Apollo rocket .
The theoretical useful weight for a nuclear rocket is 38 \ % of the total that can go up in space , compared to 4 \ % for a chemical rocket .
Nerva-2 would have developped 5000 MW and 90 tonnes of lift .
Nerva-1 had already been tested on the ground .
1100 MW and 25 ton lift .
As soon as the Chinese threaten to do this , the US might be back in the race .
One can always hope .
The plan in the early 1970ies was to send two of these off to Mars ( for obvious redundancy purposes ) .</tokentext>
<sentencetext>It is really sad that nuclear rockets were abandoned when the space race was won by the US against the Russians.
Nuclear rockets consist of a reactor that heats hydrogen that is accelerated.
A nuclear rocket would take 3 months to get to mars, 3 months back.
Back in 1970, 400 M $ were missing to get the first one off the ground as a third stage of an Apollo rocket.
The theoretical useful weight for a nuclear rocket is 38\% of the total that can go up in space, compared to 4\% for a chemical rocket.
Nerva-2 would have developped 5000 MW and 90 tonnes of lift.
Nerva-1 had already been tested on the ground.
1100 MW and 25 ton lift.
As soon as the Chinese threaten to do this, the US might be back in the race.
One can always hope.
The plan in the early 1970ies was to send two of these off to Mars (for obvious redundancy purposes).</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29934469</id>
	<title>District 9 explained</title>
	<author>Anonymous</author>
	<datestamp>1257003300000</datestamp>
	<modclass>Offtopic</modclass>
	<modscore>-1</modscore>
	<htmltext><p>That explains why the District 9's "prawns" got sick...</p></htmltext>
<tokenext>That explains why the District 9 's " prawns " got sick.. .</tokentext>
<sentencetext>That explains why the District 9's "prawns" got sick...</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_10_31_0510212.29933133</id>
	<title>We'll have to invent sanitation droids...</title>
	<author>syousef</author>
	<datestamp>1256986440000</datestamp>
	<modclass>Funny</modclass>
	<modscore>1</modscore>
	<htmltext><p>to keep things sterile...</p><p>Prototype here:<br><a href="http://www.sitcomsonline.com/photopost/data/813/kryten2.jpg" title="sitcomsonline.com">http://www.sitcomsonline.com/photopost/data/813/kryten2.jpg</a> [sitcomsonline.com]</p></htmltext>
<tokenext>to keep things sterile...Prototype here : http : //www.sitcomsonline.com/photopost/data/813/kryten2.jpg [ sitcomsonline.com ]</tokentext>
<sentencetext>to keep things sterile...Prototype here:http://www.sitcomsonline.com/photopost/data/813/kryten2.jpg [sitcomsonline.com]</sentencetext>
</comment>
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