<article>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#article09_11_14_0218207</id>
	<title>NASA To Try Powering Mars Rover "Spirit" Out of Sand Trap</title>
	<author>Soulskill</author>
	<datestamp>1258193280000</datestamp>
	<htmltext>coondoggie writes <i>"NASA's long-running Mars rover Spirit is <a href="http://science.slashdot.org/story/09/05/12/1242220/Spirit-Stuck-In-Soft-Soil-On-Mars">stuck in a sand trap</a> &mdash; a situation the space agency would like to fix.  Yesterday NASA said it will begin what it called <a href="http://www.networkworld.com/community/node/47785">the long process of extricating Spirit</a> by sending commands that <a href="http://www.nasa.gov/mission\_pages/mer/news/mer20091112.html">could free the rover</a>. Spirit has been stuck in a place NASA calls 'Troy' since April 23, when the rover's wheels broke through a crust on the surface that was covering bright-toned, slippery sand underneath. After a few drive attempts to get Spirit out in the subsequent days, it began sinking deeper in the sand trap. Driving was suspended to allow time for tests and reviews of possible escape strategies, NASA stated."</i></htmltext>
<tokenext>coondoggie writes " NASA 's long-running Mars rover Spirit is stuck in a sand trap    a situation the space agency would like to fix .
Yesterday NASA said it will begin what it called the long process of extricating Spirit by sending commands that could free the rover .
Spirit has been stuck in a place NASA calls 'Troy ' since April 23 , when the rover 's wheels broke through a crust on the surface that was covering bright-toned , slippery sand underneath .
After a few drive attempts to get Spirit out in the subsequent days , it began sinking deeper in the sand trap .
Driving was suspended to allow time for tests and reviews of possible escape strategies , NASA stated .
"</tokentext>
<sentencetext>coondoggie writes "NASA's long-running Mars rover Spirit is stuck in a sand trap — a situation the space agency would like to fix.
Yesterday NASA said it will begin what it called the long process of extricating Spirit by sending commands that could free the rover.
Spirit has been stuck in a place NASA calls 'Troy' since April 23, when the rover's wheels broke through a crust on the surface that was covering bright-toned, slippery sand underneath.
After a few drive attempts to get Spirit out in the subsequent days, it began sinking deeper in the sand trap.
Driving was suspended to allow time for tests and reviews of possible escape strategies, NASA stated.
"</sentencetext>
</article>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099610</id>
	<title>Re:Just goes to show</title>
	<author>pinery</author>
	<datestamp>1258228440000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>The redesign would include a winch, homegrown and a CB?</htmltext>
<tokenext>The redesign would include a winch , homegrown and a CB ?</tokentext>
<sentencetext>The redesign would include a winch, homegrown and a CB?</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096426</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30100854</id>
	<title>Re:Use the arm ?</title>
	<author>Kagura</author>
	<datestamp>1258193880000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Hey, I just read about ten of your blog posts for the first time! Keep up the good work... and try not to crash.<nobr> <wbr></nobr>:)</htmltext>
<tokenext>Hey , I just read about ten of your blog posts for the first time !
Keep up the good work... and try not to crash .
: )</tokentext>
<sentencetext>Hey, I just read about ten of your blog posts for the first time!
Keep up the good work... and try not to crash.
:)</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099264</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096500</id>
	<title>play it like golf</title>
	<author>Anonymous</author>
	<datestamp>1258203300000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>(this is serious) ask Tiger Woods or Jack Nicklaus what to do... my suggestion is to send some kind of impulse from an orbiting probe that would lift the whole "rover" - be it a mini-storm kind of thing or simply a wind-type blow, much like a golf player would do with a driver club from a sandpit...</p></htmltext>
<tokenext>( this is serious ) ask Tiger Woods or Jack Nicklaus what to do... my suggestion is to send some kind of impulse from an orbiting probe that would lift the whole " rover " - be it a mini-storm kind of thing or simply a wind-type blow , much like a golf player would do with a driver club from a sandpit.. .</tokentext>
<sentencetext>(this is serious) ask Tiger Woods or Jack Nicklaus what to do... my suggestion is to send some kind of impulse from an orbiting probe that would lift the whole "rover" - be it a mini-storm kind of thing or simply a wind-type blow, much like a golf player would do with a driver club from a sandpit...</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099274</id>
	<title>Re:mars rover blog..</title>
	<author>Anonymous</author>
	<datestamp>1258226100000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext>Of course, the blog is tape-delayed by 5 years, so you're going to have to wait quite a while if you want to read about the current escape attempts.</htmltext>
<tokenext>Of course , the blog is tape-delayed by 5 years , so you 're going to have to wait quite a while if you want to read about the current escape attempts .</tokentext>
<sentencetext>Of course, the blog is tape-delayed by 5 years, so you're going to have to wait quite a while if you want to read about the current escape attempts.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096446</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30105196</id>
	<title>Re:NASA Quality &amp; Space Commercialization</title>
	<author>Hazelfield</author>
	<datestamp>1258294980000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p><div class="quote"><p>Of course, their over-engineering of human risk-related matters leaves something to be desired. Anyone exploring uncharted territories has to accept the risks involved, including the possibility of a one way trip. Is that really such a bad thing though? There are plenty of risk-takers who thrive on this, and plenty of them would love to make history as part of the first colonization team on the moon (for example).</p></div><p>When looking for scientists to do observations in Antarctica, they don't hire people who like adventure, because there is very little of that. Instead they choose people who are very patient and content with reading books, watching movies etc for very long periods of time. Adventurous people go mad from the boredom.<br> <br>

I suspect it would be the same with Mars. It's awesome, but it's still essentially a desert, and chances are there won't be much to do except working. There's also the issue of safety. Safety is not only a moral precautuion (people can die) but also essential to the mission's success. I wouldn't want a self-proclaimed risk-taker on a manned mission.</p></div>
	</htmltext>
<tokenext>Of course , their over-engineering of human risk-related matters leaves something to be desired .
Anyone exploring uncharted territories has to accept the risks involved , including the possibility of a one way trip .
Is that really such a bad thing though ?
There are plenty of risk-takers who thrive on this , and plenty of them would love to make history as part of the first colonization team on the moon ( for example ) .When looking for scientists to do observations in Antarctica , they do n't hire people who like adventure , because there is very little of that .
Instead they choose people who are very patient and content with reading books , watching movies etc for very long periods of time .
Adventurous people go mad from the boredom .
I suspect it would be the same with Mars .
It 's awesome , but it 's still essentially a desert , and chances are there wo n't be much to do except working .
There 's also the issue of safety .
Safety is not only a moral precautuion ( people can die ) but also essential to the mission 's success .
I would n't want a self-proclaimed risk-taker on a manned mission .</tokentext>
<sentencetext>Of course, their over-engineering of human risk-related matters leaves something to be desired.
Anyone exploring uncharted territories has to accept the risks involved, including the possibility of a one way trip.
Is that really such a bad thing though?
There are plenty of risk-takers who thrive on this, and plenty of them would love to make history as part of the first colonization team on the moon (for example).When looking for scientists to do observations in Antarctica, they don't hire people who like adventure, because there is very little of that.
Instead they choose people who are very patient and content with reading books, watching movies etc for very long periods of time.
Adventurous people go mad from the boredom.
I suspect it would be the same with Mars.
It's awesome, but it's still essentially a desert, and chances are there won't be much to do except working.
There's also the issue of safety.
Safety is not only a moral precautuion (people can die) but also essential to the mission's success.
I wouldn't want a self-proclaimed risk-taker on a manned mission.
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096318</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30103770</id>
	<title>Careful what you wish for</title>
	<author>Tablizer</author>
	<datestamp>1258220040000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Soon after the primary mission phase was completed, a reporter asked, "How long are you going to run the rovers?". The reply was, "We are going to run them into the ground; as long as they last". They literally did run one them into the ground it seems.</p></htmltext>
<tokenext>Soon after the primary mission phase was completed , a reporter asked , " How long are you going to run the rovers ? " .
The reply was , " We are going to run them into the ground ; as long as they last " .
They literally did run one them into the ground it seems .</tokentext>
<sentencetext>Soon after the primary mission phase was completed, a reporter asked, "How long are you going to run the rovers?".
The reply was, "We are going to run them into the ground; as long as they last".
They literally did run one them into the ground it seems.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097356</id>
	<title>In case you wonder what they're going to do:</title>
	<author>Anonymous</author>
	<datestamp>1258212840000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Data show Spirit is straddling the edge of a 26-foot-wide crater that had been filled long ago with sulfate-bearing sands produced in a hot water or steam environment. The deposits in the crater formed distinct layers with different compositions and tints, and they are capped by a crusty soil. It is that soil that Spirit's wheels broke through. The buried crater lies mainly to Spirit's left. Engineers have plotted an escape route from Troy that heads up a mild slope away from the crater.<br>"We'll start by steering the wheels straight and driving, though we may have to steer the wheels to the right to counter any downhill slip to the left," said Ashley Stroupe, a JPL rover driver and Spirit extraction testing coordinator. "Straight-ahead driving is intended to get the rover's center of gravity past a rock that lies underneath Spirit. Gaining horizontal distance without losing too much vertical clearance will be a key to success. The right front wheel's inability to rotate greatly increases the challenge."</p></htmltext>
<tokenext>Data show Spirit is straddling the edge of a 26-foot-wide crater that had been filled long ago with sulfate-bearing sands produced in a hot water or steam environment .
The deposits in the crater formed distinct layers with different compositions and tints , and they are capped by a crusty soil .
It is that soil that Spirit 's wheels broke through .
The buried crater lies mainly to Spirit 's left .
Engineers have plotted an escape route from Troy that heads up a mild slope away from the crater .
" We 'll start by steering the wheels straight and driving , though we may have to steer the wheels to the right to counter any downhill slip to the left , " said Ashley Stroupe , a JPL rover driver and Spirit extraction testing coordinator .
" Straight-ahead driving is intended to get the rover 's center of gravity past a rock that lies underneath Spirit .
Gaining horizontal distance without losing too much vertical clearance will be a key to success .
The right front wheel 's inability to rotate greatly increases the challenge .
"</tokentext>
<sentencetext>Data show Spirit is straddling the edge of a 26-foot-wide crater that had been filled long ago with sulfate-bearing sands produced in a hot water or steam environment.
The deposits in the crater formed distinct layers with different compositions and tints, and they are capped by a crusty soil.
It is that soil that Spirit's wheels broke through.
The buried crater lies mainly to Spirit's left.
Engineers have plotted an escape route from Troy that heads up a mild slope away from the crater.
"We'll start by steering the wheels straight and driving, though we may have to steer the wheels to the right to counter any downhill slip to the left," said Ashley Stroupe, a JPL rover driver and Spirit extraction testing coordinator.
"Straight-ahead driving is intended to get the rover's center of gravity past a rock that lies underneath Spirit.
Gaining horizontal distance without losing too much vertical clearance will be a key to success.
The right front wheel's inability to rotate greatly increases the challenge.
"</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096788</id>
	<title>Re:AAA's new market</title>
	<author>TheGreenNuke</author>
	<datestamp>1258207740000</datestamp>
	<modclass>Redundant</modclass>
	<modscore>0</modscore>
	<htmltext><p>Must have been hard to come up with that one.</p><p>Posted by Soulskill on Saturday November 14, @05:08AM
from the <b>calls-to-onstar-have-gone-unanswered dept.</b> </p></htmltext>
<tokenext>Must have been hard to come up with that one.Posted by Soulskill on Saturday November 14 , @ 05 : 08AM from the calls-to-onstar-have-gone-unanswered dept .</tokentext>
<sentencetext>Must have been hard to come up with that one.Posted by Soulskill on Saturday November 14, @05:08AM
from the calls-to-onstar-have-gone-unanswered dept. </sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096250</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30103920</id>
	<title>Re:Use the arm ?</title>
	<author>Anonymous</author>
	<datestamp>1258221660000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>&gt; The stuff feels like flour and flows like water: run your hand through it, and it flows away from you like water does, it just stops moving sooner. Weird, weird stuff.</p><p>Makes me think of those corn-starch semi-fluids.... if something pushes it slowly it behaves like a fluid and flows out of the way... if something pushes hard it behaves like a solid and pushes back.  Saw some vids of people running across a tank of the stuff, as long as they kept moving (ie: striking it with their feet) they could stay on top, the moment they stopped they sank.</p></htmltext>
<tokenext>&gt; The stuff feels like flour and flows like water : run your hand through it , and it flows away from you like water does , it just stops moving sooner .
Weird , weird stuff.Makes me think of those corn-starch semi-fluids.... if something pushes it slowly it behaves like a fluid and flows out of the way... if something pushes hard it behaves like a solid and pushes back .
Saw some vids of people running across a tank of the stuff , as long as they kept moving ( ie : striking it with their feet ) they could stay on top , the moment they stopped they sank .</tokentext>
<sentencetext>&gt; The stuff feels like flour and flows like water: run your hand through it, and it flows away from you like water does, it just stops moving sooner.
Weird, weird stuff.Makes me think of those corn-starch semi-fluids.... if something pushes it slowly it behaves like a fluid and flows out of the way... if something pushes hard it behaves like a solid and pushes back.
Saw some vids of people running across a tank of the stuff, as long as they kept moving (ie: striking it with their feet) they could stay on top, the moment they stopped they sank.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099264</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30110060</id>
	<title>Re:NASA Quality &amp; Space Commercialization</title>
	<author>barath\_s</author>
	<datestamp>1258288260000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p><div class="quote"><p> Since they were solar-powered there's no particular reason that they would last only that long. 90 days was a classic case of "underpromise and overdeliver." If there had been some sort of catastrophic design flaw</p> </div><p>

Except that Martian dust was expected to cover the solar panels. No one predicted the existence of Martian winds and dust devils that would lift the dust off. Not to mention the dice game with surviving the Martian winter, and any number of associated design (wheels, motors etc) targeted at 90 day plus</p></div>
	</htmltext>
<tokenext>Since they were solar-powered there 's no particular reason that they would last only that long .
90 days was a classic case of " underpromise and overdeliver .
" If there had been some sort of catastrophic design flaw Except that Martian dust was expected to cover the solar panels .
No one predicted the existence of Martian winds and dust devils that would lift the dust off .
Not to mention the dice game with surviving the Martian winter , and any number of associated design ( wheels , motors etc ) targeted at 90 day plus</tokentext>
<sentencetext> Since they were solar-powered there's no particular reason that they would last only that long.
90 days was a classic case of "underpromise and overdeliver.
" If there had been some sort of catastrophic design flaw 

Except that Martian dust was expected to cover the solar panels.
No one predicted the existence of Martian winds and dust devils that would lift the dust off.
Not to mention the dice game with surviving the Martian winter, and any number of associated design (wheels, motors etc) targeted at 90 day plus
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096694</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30098046</id>
	<title>The title paints an image</title>
	<author>Anonymous</author>
	<datestamp>1258219080000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>I got this picture of Tiger Woods in a space suit with a sand wedge.</p></htmltext>
<tokenext>I got this picture of Tiger Woods in a space suit with a sand wedge .</tokentext>
<sentencetext>I got this picture of Tiger Woods in a space suit with a sand wedge.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096446</id>
	<title>mars rover blog..</title>
	<author>Frogg</author>
	<datestamp>1258202400000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>4</modscore>
	<htmltext><p>here's a link to a blog by someone on the mars rover team, <a href="http://marsandme.blogspot.com/" title="blogspot.com">Mars and Me</a> [blogspot.com] </p><p>i've been following it for a while now - it's truly fascinating</p></htmltext>
<tokenext>here 's a link to a blog by someone on the mars rover team , Mars and Me [ blogspot.com ] i 've been following it for a while now - it 's truly fascinating</tokentext>
<sentencetext>here's a link to a blog by someone on the mars rover team, Mars and Me [blogspot.com] i've been following it for a while now - it's truly fascinating</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30100708</id>
	<title>Re:AAA's new market</title>
	<author>starblazer</author>
	<datestamp>1258192620000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>There are multiple problems to this:</p><p>Good luck finding someone to run the call for 19 dollars + enroute mileage.<br>There would not be a valid plate, registration, and AAA member with the vehicle.</p><p>Cross Country Automotive Services (aka Onstar) would be even worse.... they would ask if that 308160 minute ETA was due to weather or if you were just busy.</p></htmltext>
<tokenext>There are multiple problems to this : Good luck finding someone to run the call for 19 dollars + enroute mileage.There would not be a valid plate , registration , and AAA member with the vehicle.Cross Country Automotive Services ( aka Onstar ) would be even worse.... they would ask if that 308160 minute ETA was due to weather or if you were just busy .</tokentext>
<sentencetext>There are multiple problems to this:Good luck finding someone to run the call for 19 dollars + enroute mileage.There would not be a valid plate, registration, and AAA member with the vehicle.Cross Country Automotive Services (aka Onstar) would be even worse.... they would ask if that 308160 minute ETA was due to weather or if you were just busy.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096250</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30103092</id>
	<title>but,</title>
	<author>krunchyfrog</author>
	<datestamp>1258213200000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Weren't the rovers already destroyed by transformers already? Mayyybe it's really transformers posing as rovers faking to be stuck in sand to study human behavior?</p></htmltext>
<tokenext>Were n't the rovers already destroyed by transformers already ?
Mayyybe it 's really transformers posing as rovers faking to be stuck in sand to study human behavior ?</tokentext>
<sentencetext>Weren't the rovers already destroyed by transformers already?
Mayyybe it's really transformers posing as rovers faking to be stuck in sand to study human behavior?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30103584</id>
	<title>Re:Oh no</title>
	<author>arthurpaliden</author>
	<datestamp>1258218360000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Pitty it is not in a "no stopping" zone.  If it were the Maritians would tow it.</htmltext>
<tokenext>Pitty it is not in a " no stopping " zone .
If it were the Maritians would tow it .</tokentext>
<sentencetext>Pitty it is not in a "no stopping" zone.
If it were the Maritians would tow it.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096160</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097552</id>
	<title>fuCk a s4it</title>
	<author>Anonymous</author>
	<datestamp>1258214460000</datestamp>
	<modclass>Offtopic</modclass>
	<modscore>-1</modscore>
	<htmltext>big deal. Death big picture. What Juggernaut either series ofU eHxploding</htmltext>
<tokenext>big deal .
Death big picture .
What Juggernaut either series ofU eHxploding</tokentext>
<sentencetext>big deal.
Death big picture.
What Juggernaut either series ofU eHxploding</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30103318</id>
	<title>Re:NASA Quality &amp; Space Commercialization</title>
	<author>Anonymous</author>
	<datestamp>1258216260000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>I asked one of the MER guys at JPL about the dust problem.  His answer was basically, a brush or wiper wouldn't work (Martian dust is about the same fineness as particles of tobacco smoke.)  Some sort of pressurized gas blower might work, but that would mean extra weight and extra moving parts.  SInce the mission life was only 90 days (JPL expected the rovers would probably last 180 days, but they thought they could safely guarantee 90), and because they had budget constraints and time constraints (they needed to launch inside a certain window), they decided that the fastest, cheapest, most efficient solution was to calculate how much power the solar panels would lose due to dust accumulation over 180 days, and increase the size of the panels enough to make up for it.</p><p>They still don't like the gas blower idea.  (Weight, moving parts, what do you do after you run out of pressurized gas?  Plus after the gas is used up you'd still have an empty tank to haul around.)  Last I knew, the plan for the Mars Science Lander is for the solar panels to contain peizoelectric cells, through which they could run a charge to repel the dust.</p></htmltext>
<tokenext>I asked one of the MER guys at JPL about the dust problem .
His answer was basically , a brush or wiper would n't work ( Martian dust is about the same fineness as particles of tobacco smoke .
) Some sort of pressurized gas blower might work , but that would mean extra weight and extra moving parts .
SInce the mission life was only 90 days ( JPL expected the rovers would probably last 180 days , but they thought they could safely guarantee 90 ) , and because they had budget constraints and time constraints ( they needed to launch inside a certain window ) , they decided that the fastest , cheapest , most efficient solution was to calculate how much power the solar panels would lose due to dust accumulation over 180 days , and increase the size of the panels enough to make up for it.They still do n't like the gas blower idea .
( Weight , moving parts , what do you do after you run out of pressurized gas ?
Plus after the gas is used up you 'd still have an empty tank to haul around .
) Last I knew , the plan for the Mars Science Lander is for the solar panels to contain peizoelectric cells , through which they could run a charge to repel the dust .</tokentext>
<sentencetext>I asked one of the MER guys at JPL about the dust problem.
His answer was basically, a brush or wiper wouldn't work (Martian dust is about the same fineness as particles of tobacco smoke.
)  Some sort of pressurized gas blower might work, but that would mean extra weight and extra moving parts.
SInce the mission life was only 90 days (JPL expected the rovers would probably last 180 days, but they thought they could safely guarantee 90), and because they had budget constraints and time constraints (they needed to launch inside a certain window), they decided that the fastest, cheapest, most efficient solution was to calculate how much power the solar panels would lose due to dust accumulation over 180 days, and increase the size of the panels enough to make up for it.They still don't like the gas blower idea.
(Weight, moving parts, what do you do after you run out of pressurized gas?
Plus after the gas is used up you'd still have an empty tank to haul around.
)  Last I knew, the plan for the Mars Science Lander is for the solar panels to contain peizoelectric cells, through which they could run a charge to repel the dust.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096318</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30100120</id>
	<title>Re:Oh no</title>
	<author>Anonymous</author>
	<datestamp>1258231680000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Or maybe you'll drive up in your Hummer and offer to tow it out?</p></htmltext>
<tokenext>Or maybe you 'll drive up in your Hummer and offer to tow it out ?</tokentext>
<sentencetext>Or maybe you'll drive up in your Hummer and offer to tow it out?</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096160</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30103386</id>
	<title>Re:GNAA #gnaa irc.hardchats.com</title>
	<author>selven</author>
	<datestamp>1258216920000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Couldn't you choose a better acronym, like "GNAA is Not Alcoholics Anonymous"?</p></htmltext>
<tokenext>Could n't you choose a better acronym , like " GNAA is Not Alcoholics Anonymous " ?</tokentext>
<sentencetext>Couldn't you choose a better acronym, like "GNAA is Not Alcoholics Anonymous"?</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096144</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096250</id>
	<title>AAA's new market</title>
	<author>Anonymous</author>
	<datestamp>1258198980000</datestamp>
	<modclass>Funny</modclass>
	<modscore>5</modscore>
	<htmltext>Mars is the new frontier for the AAA people to explore. <p>Up next:OnStar</p></htmltext>
<tokenext>Mars is the new frontier for the AAA people to explore .
Up next : OnStar</tokentext>
<sentencetext>Mars is the new frontier for the AAA people to explore.
Up next:OnStar</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099618</id>
	<title>Re:Overly ambitious</title>
	<author>NewsWatcher</author>
	<datestamp>1258228440000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>When the Mars rovers were sent out, Mars was unusually close to Earth. Sending out similar vehicles now would be much tougher, take much longer, require much bigger fuel loads, cost much more money, and give many more opportunities for errors.</p><p>At some point the US may want to ask whether it desperately wants a functional healthcare system, or six more Mars rovers. I mean, the rovers did a great job at first, but apart from difficulties in continuing their journey, what have they added scientifically to our understanding of Mars in the past year?</p></htmltext>
<tokenext>When the Mars rovers were sent out , Mars was unusually close to Earth .
Sending out similar vehicles now would be much tougher , take much longer , require much bigger fuel loads , cost much more money , and give many more opportunities for errors.At some point the US may want to ask whether it desperately wants a functional healthcare system , or six more Mars rovers .
I mean , the rovers did a great job at first , but apart from difficulties in continuing their journey , what have they added scientifically to our understanding of Mars in the past year ?</tokentext>
<sentencetext>When the Mars rovers were sent out, Mars was unusually close to Earth.
Sending out similar vehicles now would be much tougher, take much longer, require much bigger fuel loads, cost much more money, and give many more opportunities for errors.At some point the US may want to ask whether it desperately wants a functional healthcare system, or six more Mars rovers.
I mean, the rovers did a great job at first, but apart from difficulties in continuing their journey, what have they added scientifically to our understanding of Mars in the past year?</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097650</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097318</id>
	<title>Re:NASA Quality &amp; Space Commercialization</title>
	<author>AikonMGB</author>
	<datestamp>1258212600000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><blockquote><div><p>Instead of focusing resources on ensuring safe return, we should spend those resources on setting up permanent, sustainable facilities on the moon, so that we can slowly reduce our need to continually send materials. Is shipping miniature mining and production robot/facility to the moon that unimaginable? Once you can harvest and produce key materials on the moon, the task of setting up long-term human habitats becomes at least slightly easier.</p></div></blockquote><p>I think I saw a <a href="http://en.wikipedia.org/wiki/Moon\_(film)" title="wikipedia.org">documentary</a> [wikipedia.org] about this.

</p><p>Aikon-</p></div>
	</htmltext>
<tokenext>Instead of focusing resources on ensuring safe return , we should spend those resources on setting up permanent , sustainable facilities on the moon , so that we can slowly reduce our need to continually send materials .
Is shipping miniature mining and production robot/facility to the moon that unimaginable ?
Once you can harvest and produce key materials on the moon , the task of setting up long-term human habitats becomes at least slightly easier.I think I saw a documentary [ wikipedia.org ] about this .
Aikon-</tokentext>
<sentencetext>Instead of focusing resources on ensuring safe return, we should spend those resources on setting up permanent, sustainable facilities on the moon, so that we can slowly reduce our need to continually send materials.
Is shipping miniature mining and production robot/facility to the moon that unimaginable?
Once you can harvest and produce key materials on the moon, the task of setting up long-term human habitats becomes at least slightly easier.I think I saw a documentary [wikipedia.org] about this.
Aikon-
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096318</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096800</id>
	<title>Anonymous Coward</title>
	<author>Anonymous</author>
	<datestamp>1258207920000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>October called.  It wants it's story back.</p></htmltext>
<tokenext>October called .
It wants it 's story back .</tokentext>
<sentencetext>October called.
It wants it's story back.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097588</id>
	<title>Let's send an astronaut there.</title>
	<author>Anonymous</author>
	<datestamp>1258214820000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Human walks up in space suit. Picks up robot, dusts solar panels off with can of air spray, robot goes on.</p></htmltext>
<tokenext>Human walks up in space suit .
Picks up robot , dusts solar panels off with can of air spray , robot goes on .</tokentext>
<sentencetext>Human walks up in space suit.
Picks up robot, dusts solar panels off with can of air spray, robot goes on.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096220</id>
	<title>It's a conspiracy!</title>
	<author>Anonymous</author>
	<datestamp>1258198320000</datestamp>
	<modclass>Funny</modclass>
	<modscore>3</modscore>
	<htmltext>Since the Mars rover is not really on Mars, but on a secret location on Earth, perhaps they could just use the "hand of god" to give it a little help<nobr> <wbr></nobr>:)</htmltext>
<tokenext>Since the Mars rover is not really on Mars , but on a secret location on Earth , perhaps they could just use the " hand of god " to give it a little help : )</tokentext>
<sentencetext>Since the Mars rover is not really on Mars, but on a secret location on Earth, perhaps they could just use the "hand of god" to give it a little help :)</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096556</id>
	<title>Re:It's a conspiracy!</title>
	<author>CarpetShark</author>
	<datestamp>1258203960000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><blockquote><div><p>on a secret location on Earth, perhaps they could just use the "hand of god" to give it a little help<nobr> <wbr></nobr>:)</p></div></blockquote><p>I think you're confusing earth with an overdramatic novel<nobr> <wbr></nobr>;)</p></div>
	</htmltext>
<tokenext>on a secret location on Earth , perhaps they could just use the " hand of god " to give it a little help : ) I think you 're confusing earth with an overdramatic novel ; )</tokentext>
<sentencetext>on a secret location on Earth, perhaps they could just use the "hand of god" to give it a little help :)I think you're confusing earth with an overdramatic novel ;)
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096220</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099292</id>
	<title>Re:Use the arm ?</title>
	<author>Sparklepony</author>
	<datestamp>1258226220000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>I am sure that this team of scientists and engineers, despite being intimately familiar with the rover's systems and having spent eight months studying the problem of getting it unstuck, have not thought of using the robotic arm yet. I hope they read Slashdot.<nobr> <wbr></nobr>:)

Frustrating as it is that the rover's stuck in something that a good solid push would likely get it out of, one also has to consider the costs involved in adding that capability to future rovers. If adding arms for self-maintenance and so forth doubles the cost of the rover it had better at least double the projected lifespan of the rover or it would make more sense to simply send two of them instead.

Sending a human to Mars might cost on the order of a hundred times what one of these rovers cost. Wouldn't it be awesome to have a hundred of these rovers scooting around a hundred different places on Mars for five years or more?</htmltext>
<tokenext>I am sure that this team of scientists and engineers , despite being intimately familiar with the rover 's systems and having spent eight months studying the problem of getting it unstuck , have not thought of using the robotic arm yet .
I hope they read Slashdot .
: ) Frustrating as it is that the rover 's stuck in something that a good solid push would likely get it out of , one also has to consider the costs involved in adding that capability to future rovers .
If adding arms for self-maintenance and so forth doubles the cost of the rover it had better at least double the projected lifespan of the rover or it would make more sense to simply send two of them instead .
Sending a human to Mars might cost on the order of a hundred times what one of these rovers cost .
Would n't it be awesome to have a hundred of these rovers scooting around a hundred different places on Mars for five years or more ?</tokentext>
<sentencetext>I am sure that this team of scientists and engineers, despite being intimately familiar with the rover's systems and having spent eight months studying the problem of getting it unstuck, have not thought of using the robotic arm yet.
I hope they read Slashdot.
:)

Frustrating as it is that the rover's stuck in something that a good solid push would likely get it out of, one also has to consider the costs involved in adding that capability to future rovers.
If adding arms for self-maintenance and so forth doubles the cost of the rover it had better at least double the projected lifespan of the rover or it would make more sense to simply send two of them instead.
Sending a human to Mars might cost on the order of a hundred times what one of these rovers cost.
Wouldn't it be awesome to have a hundred of these rovers scooting around a hundred different places on Mars for five years or more?</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096590</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096884</id>
	<title>Re:Oh no</title>
	<author>martin-boundary</author>
	<datestamp>1258209000000</datestamp>
	<modclass>Funny</modclass>
	<modscore>3</modscore>
	<htmltext>Or they could just try plan B: take all the hard drives, erase the surveillance tapes, wipe the fingerprints off everything and run.</htmltext>
<tokenext>Or they could just try plan B : take all the hard drives , erase the surveillance tapes , wipe the fingerprints off everything and run .</tokentext>
<sentencetext>Or they could just try plan B: take all the hard drives, erase the surveillance tapes, wipe the fingerprints off everything and run.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096160</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096272</id>
	<title>How about a hand for NASA/JPL/Cornell/etc...</title>
	<author>Anonymous</author>
	<datestamp>1258199340000</datestamp>
	<modclass>None</modclass>
	<modscore>-1</modscore>
	<htmltext><p>Thanks folks, I'm here all week.  Don't forget to tip your waitress.</p></htmltext>
<tokenext>Thanks folks , I 'm here all week .
Do n't forget to tip your waitress .</tokentext>
<sentencetext>Thanks folks, I'm here all week.
Don't forget to tip your waitress.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097812</id>
	<title>It's Sand Gnomes, I Tell Ya!</title>
	<author>Toad-san</author>
	<datestamp>1258216920000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>^^</p></htmltext>
<tokenext>^ ^</tokentext>
<sentencetext>^^</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096762</id>
	<title>wolowitz!</title>
	<author>Anonymous</author>
	<datestamp>1258207320000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>oh wolowitz, you just couldnt resist to invite a girl to the control room again, could you!</p></htmltext>
<tokenext>oh wolowitz , you just couldnt resist to invite a girl to the control room again , could you !</tokentext>
<sentencetext>oh wolowitz, you just couldnt resist to invite a girl to the control room again, could you!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099320</id>
	<title>Re:Overly ambitious</title>
	<author>ScottMaxwell</author>
	<datestamp>1258226520000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>2</modscore>
	<htmltext><blockquote><div><p>why aren't there six more of these things wandering around by now?</p></div></blockquote><p>Because I can drive only two at a time.  When these two are done (gods forbid), <em>then</em> it's time to send two more.<nobr> <wbr></nobr>:-)</p></div>
	</htmltext>
<tokenext>why are n't there six more of these things wandering around by now ? Because I can drive only two at a time .
When these two are done ( gods forbid ) , then it 's time to send two more .
: - )</tokentext>
<sentencetext>why aren't there six more of these things wandering around by now?Because I can drive only two at a time.
When these two are done (gods forbid), then it's time to send two more.
:-)
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097650</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096588</id>
	<title>Re:NASA Quality &amp; Space Commercialization</title>
	<author>barzok</author>
	<datestamp>1258204560000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>3</modscore>
	<htmltext><p>The panel-clearing brush was considered. Then discarded. They didn't intend for the rovers to last more than 90 days, and determined there wouldn't be a significant dust build-up in that time, so they used the weight &amp; space for items more valuable to the mission.</p></htmltext>
<tokenext>The panel-clearing brush was considered .
Then discarded .
They did n't intend for the rovers to last more than 90 days , and determined there would n't be a significant dust build-up in that time , so they used the weight &amp; space for items more valuable to the mission .</tokentext>
<sentencetext>The panel-clearing brush was considered.
Then discarded.
They didn't intend for the rovers to last more than 90 days, and determined there wouldn't be a significant dust build-up in that time, so they used the weight &amp; space for items more valuable to the mission.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096318</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096784</id>
	<title>Re:GNAA #gnaa irc.hardchats.com</title>
	<author>wampus</author>
	<datestamp>1258207680000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Good, maybe we can get some quality trolls back on this sumbitch.</p></htmltext>
<tokenext>Good , maybe we can get some quality trolls back on this sumbitch .</tokentext>
<sentencetext>Good, maybe we can get some quality trolls back on this sumbitch.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096144</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30110796</id>
	<title>Wow, just wow.</title>
	<author>Anonymous</author>
	<datestamp>1258294320000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>This is why I love Slashdot - where else would I get the opportunity to shoot the breeze with a REAL rocket scientist?</p><p>Thanks, dude.</p><p>(From a PhD in a very different discipline:-)</p></htmltext>
<tokenext>This is why I love Slashdot - where else would I get the opportunity to shoot the breeze with a REAL rocket scientist ? Thanks , dude .
( From a PhD in a very different discipline : - )</tokentext>
<sentencetext>This is why I love Slashdot - where else would I get the opportunity to shoot the breeze with a REAL rocket scientist?Thanks, dude.
(From a PhD in a very different discipline:-)</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099264</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30098514</id>
	<title>Re:NASA Quality &amp; Space Commercialization</title>
	<author>Anonymous</author>
	<datestamp>1258221660000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>I'd guess 90 days was a safe guess considering the unknown environment at the time of design - based primarily on in situ data from the 2 Viking landers which were at 2 different geographic locations.  You only think you know the winds, you don't truly understand what causes the dust storms.  You aren't sure entirely what causes global and seasonal variations.  You have a lot of hardware that may fail (for instance you don't know if a wheel fails if you will be stopped permanently or will be able to pull it behind you).  You don't know if you will get stuck in the sand (which we can now assume was just good luck it didn't happen 5 years earlier).  You don't know that your electronics will not short due to off-gassing because of the low atmospheric pressure or a dust storm.  You don't know if you are going to have a single-event-phenomena which may result in only a bitflip or a single-event-burnout.  There are many variable you do not know.</p></htmltext>
<tokenext>I 'd guess 90 days was a safe guess considering the unknown environment at the time of design - based primarily on in situ data from the 2 Viking landers which were at 2 different geographic locations .
You only think you know the winds , you do n't truly understand what causes the dust storms .
You are n't sure entirely what causes global and seasonal variations .
You have a lot of hardware that may fail ( for instance you do n't know if a wheel fails if you will be stopped permanently or will be able to pull it behind you ) .
You do n't know if you will get stuck in the sand ( which we can now assume was just good luck it did n't happen 5 years earlier ) .
You do n't know that your electronics will not short due to off-gassing because of the low atmospheric pressure or a dust storm .
You do n't know if you are going to have a single-event-phenomena which may result in only a bitflip or a single-event-burnout .
There are many variable you do not know .</tokentext>
<sentencetext>I'd guess 90 days was a safe guess considering the unknown environment at the time of design - based primarily on in situ data from the 2 Viking landers which were at 2 different geographic locations.
You only think you know the winds, you don't truly understand what causes the dust storms.
You aren't sure entirely what causes global and seasonal variations.
You have a lot of hardware that may fail (for instance you don't know if a wheel fails if you will be stopped permanently or will be able to pull it behind you).
You don't know if you will get stuck in the sand (which we can now assume was just good luck it didn't happen 5 years earlier).
You don't know that your electronics will not short due to off-gassing because of the low atmospheric pressure or a dust storm.
You don't know if you are going to have a single-event-phenomena which may result in only a bitflip or a single-event-burnout.
There are many variable you do not know.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096694</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096442</id>
	<title>lol</title>
	<author>Anonymous</author>
	<datestamp>1258202340000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>i think they're gonna have to Flintstone this one.</p></htmltext>
<tokenext>i think they 're gon na have to Flintstone this one .</tokentext>
<sentencetext>i think they're gonna have to Flintstone this one.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30100164</id>
	<title>"I can get us outta here Marge..."</title>
	<author>TerribleNews</author>
	<datestamp>1258231860000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>"but it's gonna take a whole lotta floorin'."</htmltext>
<tokenext>" but it 's gon na take a whole lotta floorin' .
"</tokentext>
<sentencetext>"but it's gonna take a whole lotta floorin'.
"</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097650</id>
	<title>Overly ambitious</title>
	<author>SEWilco</author>
	<datestamp>1258215360000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>3</modscore>
	<htmltext>That's how a rover which was designed to be cheap and lightweight would have become a multiton semi-mobile laboratory.  Adding on accessories and desirable features, then stronger equipment to carry it all, is how much larger and more expensive space probes are created.  Problems with such designs caused smaller and simpler designs to be favored.

But... why aren't there six more of these things wandering around by now?</htmltext>
<tokenext>That 's how a rover which was designed to be cheap and lightweight would have become a multiton semi-mobile laboratory .
Adding on accessories and desirable features , then stronger equipment to carry it all , is how much larger and more expensive space probes are created .
Problems with such designs caused smaller and simpler designs to be favored .
But... why are n't there six more of these things wandering around by now ?</tokentext>
<sentencetext>That's how a rover which was designed to be cheap and lightweight would have become a multiton semi-mobile laboratory.
Adding on accessories and desirable features, then stronger equipment to carry it all, is how much larger and more expensive space probes are created.
Problems with such designs caused smaller and simpler designs to be favored.
But... why aren't there six more of these things wandering around by now?</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096318</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096590</id>
	<title>Use the arm ?</title>
	<author>smoker2</author>
	<datestamp>1258204620000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>4</modscore>
	<htmltext>I wonder if they've thought of using the robotic arm, either to dig away some of the sand obstructing the wheels or to support the rover while they try to move it. I know from driving 360 excavators that your arm can be most useful in that respect, especially if you move the arm backwards at the same time as pushing down and driving. Maybe the arm's not strong enough, or the rover can't operate its wheels and the arm at the same time, but surely that's just programming. An alternative is to pick up small stones and place them by the wheels to get some traction. There is a more complete pictorial record <a href="http://www.nasa.gov/mission\_pages/mer/news/telecon/tel20091110.html" title="nasa.gov">here.</a> [nasa.gov]</htmltext>
<tokenext>I wonder if they 've thought of using the robotic arm , either to dig away some of the sand obstructing the wheels or to support the rover while they try to move it .
I know from driving 360 excavators that your arm can be most useful in that respect , especially if you move the arm backwards at the same time as pushing down and driving .
Maybe the arm 's not strong enough , or the rover ca n't operate its wheels and the arm at the same time , but surely that 's just programming .
An alternative is to pick up small stones and place them by the wheels to get some traction .
There is a more complete pictorial record here .
[ nasa.gov ]</tokentext>
<sentencetext>I wonder if they've thought of using the robotic arm, either to dig away some of the sand obstructing the wheels or to support the rover while they try to move it.
I know from driving 360 excavators that your arm can be most useful in that respect, especially if you move the arm backwards at the same time as pushing down and driving.
Maybe the arm's not strong enough, or the rover can't operate its wheels and the arm at the same time, but surely that's just programming.
An alternative is to pick up small stones and place them by the wheels to get some traction.
There is a more complete pictorial record here.
[nasa.gov]</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096144</id>
	<title>GNAA #gnaa irc.hardchats.com</title>
	<author>Anonymous</author>
	<datestamp>1258196940000</datestamp>
	<modclass>Troll</modclass>
	<modscore>-1</modscore>
	<htmltext><p> <b>GNAA REBORN UNDER NEW LEADERSHIP</b> </p><p> <i>DiKKy Heartiez - Berlin, Norway </i> </p><p>President timecop of the GNAA has died today. He died at the age of 55 from excessive lulz in his apartment in Tokyo, Japan while watching faggot cartoons of preteen girls beeing raped by giant testicles. The world will remember him as a total faggot douchebag who had the opportunity to unite the best trolls seen upon the face of the internet into one special hardcore machine of destruction, unfortunately he failed, instead devoting his internet carreer to animu. Although he died like a true hero he will be forever remembered as a total failure. </p><p>In the wake of his death the GNAA is thought to perish like all the other so called trolling organizations. The writing is on the wall, they say. The GNAA smells worse than BSD, they say.They have said this for a long time. The GNAA has lived, with a very faint pulse, for years. </p><p> <b> DIKKY HEARTIEZ CLAIMS THE PRESIDENCY OF THE GNAA!!!!!!!</b> </p><p>With the death of timecop still shocking our chats, not many are able to see ahead. But there is one visionary Nord who has great plans for the new GNAA.<br>"Under my leadership the GNAA will become the new home of all trolls on the internet. The GNAA will regain its old strength and will be feared by bloggers and jews alike. The time for CHANGE is now." DiKky HearTiez told a shocked audience outside the Gary Niger Memorial Plaza, Nigeria, earlier today. The GNAA will move its Internet Relayed Communications to a new location, following reports of a massive "Distributed Denial Of Service" attack on its previous location, making it unreliable.<br>"Our operatives are in need of a robust and safe communications service with can\_flood for everyone." An anonymous source at the GNAA Black Ops department told reporters at the same conference.</p><p> <b>KLULZ supports DiKKy Heartiez presidency!</b> </p><p>The infamous KLULZ internet radio station supports DiKKy Heartiez for the new GNAA president.<br>"KLULZ is behind him 100\% and will be broadcasting his speeches and support him in every way possible, we wish him the best of luck and an outstanding presidency. May many blogs burn under DiKky Hearties." This was stated by KLULZ Operations Manager and Gay Nigger g0sp when asked to comment on KLULZ involvement.</p><p> <b>About President timecop</b> </p><p>DEAD.</p><p> <b>About DiKKy HearTiez </b> </p><p>The world famous internet nord from Norway LOL HY living in a fjord LOL HY. Currently the new President of the new GNAA. He is also a radiodj on KLULZ and active in many irc chats. Known for several epic trolls in his time. Led the GNAA operation Intel Crapflood 21, who succesfully made GNAA owners of the biggest thread on Slashdot until fixed by admins. Also deeply involved in the war on blogs, and is the one who provided JesuitX with the real screenshots of Faggintosh Leopard. His leadership abilities, high iq and instoppable urge to troll, coupled with his fat Norwegian welfare check will enable him to become the best President the GNAA ever had.</p><p> <b>About KLULZ</b> </p><p>KLULZ is the internets radio station, bringing you news about the GNAA, hosting shows by prominent djs such as DiKKy, l0de, g0sp, jenk and many others. KLULZ supports DiKKy Heartiez. With mature content this channel is not suitable for children or people under the age of 18. Klulz radio can be heard at http://klulz.com/listen.pls</p><p> <b>About GNAA</b>:</p><p> <b>GNAA</b> (<i>GAY NIGGER ASSOCIATION OF AMERICA</i>) is the first<br>organization which gathers GAY NIGGERS from all over America and abroad for one<br>common goal - being GAY NIGGERS.</p><p>Are you <a href="http://klerck.org/spin.gif" title="klerck.org" rel="nofollow"> <b>GAY</b> </a> [klerck.org]?</p><p>Are you a <a href="http://www.mugshots.org/sports/oj-simpson.jpg" title="mugshots.org" rel="nofollow"> <b>NIGGER</b> </a> [mugshots.org]?</p><p>Are you a <a href="http://www.gay-sex-access.com/gay-black-sex.jpg" title="gay-sex-access.com" rel="nofollow"> <b>GAY NIGGER</b> </a> [gay-sex-access.com]?</p><p>If you answered "Yes" to all of the above questions, then <b>GNAA</b> (<i>GAY NIGGER<br>ASSOCIATION OF AMERICA</i>) might be exactly what you've been looking for!</p></htmltext>
<tokenext>GNAA REBORN UNDER NEW LEADERSHIP DiKKy Heartiez - Berlin , Norway President timecop of the GNAA has died today .
He died at the age of 55 from excessive lulz in his apartment in Tokyo , Japan while watching faggot cartoons of preteen girls beeing raped by giant testicles .
The world will remember him as a total faggot douchebag who had the opportunity to unite the best trolls seen upon the face of the internet into one special hardcore machine of destruction , unfortunately he failed , instead devoting his internet carreer to animu .
Although he died like a true hero he will be forever remembered as a total failure .
In the wake of his death the GNAA is thought to perish like all the other so called trolling organizations .
The writing is on the wall , they say .
The GNAA smells worse than BSD , they say.They have said this for a long time .
The GNAA has lived , with a very faint pulse , for years .
DIKKY HEARTIEZ CLAIMS THE PRESIDENCY OF THE GNAA ! ! ! ! ! ! !
With the death of timecop still shocking our chats , not many are able to see ahead .
But there is one visionary Nord who has great plans for the new GNAA .
" Under my leadership the GNAA will become the new home of all trolls on the internet .
The GNAA will regain its old strength and will be feared by bloggers and jews alike .
The time for CHANGE is now .
" DiKky HearTiez told a shocked audience outside the Gary Niger Memorial Plaza , Nigeria , earlier today .
The GNAA will move its Internet Relayed Communications to a new location , following reports of a massive " Distributed Denial Of Service " attack on its previous location , making it unreliable .
" Our operatives are in need of a robust and safe communications service with can \ _flood for everyone .
" An anonymous source at the GNAA Black Ops department told reporters at the same conference .
KLULZ supports DiKKy Heartiez presidency !
The infamous KLULZ internet radio station supports DiKKy Heartiez for the new GNAA president .
" KLULZ is behind him 100 \ % and will be broadcasting his speeches and support him in every way possible , we wish him the best of luck and an outstanding presidency .
May many blogs burn under DiKky Hearties .
" This was stated by KLULZ Operations Manager and Gay Nigger g0sp when asked to comment on KLULZ involvement .
About President timecop DEAD .
About DiKKy HearTiez The world famous internet nord from Norway LOL HY living in a fjord LOL HY .
Currently the new President of the new GNAA .
He is also a radiodj on KLULZ and active in many irc chats .
Known for several epic trolls in his time .
Led the GNAA operation Intel Crapflood 21 , who succesfully made GNAA owners of the biggest thread on Slashdot until fixed by admins .
Also deeply involved in the war on blogs , and is the one who provided JesuitX with the real screenshots of Faggintosh Leopard .
His leadership abilities , high iq and instoppable urge to troll , coupled with his fat Norwegian welfare check will enable him to become the best President the GNAA ever had .
About KLULZ KLULZ is the internets radio station , bringing you news about the GNAA , hosting shows by prominent djs such as DiKKy , l0de , g0sp , jenk and many others .
KLULZ supports DiKKy Heartiez .
With mature content this channel is not suitable for children or people under the age of 18 .
Klulz radio can be heard at http : //klulz.com/listen.pls About GNAA : GNAA ( GAY NIGGER ASSOCIATION OF AMERICA ) is the firstorganization which gathers GAY NIGGERS from all over America and abroad for onecommon goal - being GAY NIGGERS.Are you GAY [ klerck.org ] ? Are you a NIGGER [ mugshots.org ] ? Are you a GAY NIGGER [ gay-sex-access.com ] ? If you answered " Yes " to all of the above questions , then GNAA ( GAY NIGGERASSOCIATION OF AMERICA ) might be exactly what you 've been looking for !</tokentext>
<sentencetext> GNAA REBORN UNDER NEW LEADERSHIP  DiKKy Heartiez - Berlin, Norway  President timecop of the GNAA has died today.
He died at the age of 55 from excessive lulz in his apartment in Tokyo, Japan while watching faggot cartoons of preteen girls beeing raped by giant testicles.
The world will remember him as a total faggot douchebag who had the opportunity to unite the best trolls seen upon the face of the internet into one special hardcore machine of destruction, unfortunately he failed, instead devoting his internet carreer to animu.
Although he died like a true hero he will be forever remembered as a total failure.
In the wake of his death the GNAA is thought to perish like all the other so called trolling organizations.
The writing is on the wall, they say.
The GNAA smells worse than BSD, they say.They have said this for a long time.
The GNAA has lived, with a very faint pulse, for years.
DIKKY HEARTIEZ CLAIMS THE PRESIDENCY OF THE GNAA!!!!!!!
With the death of timecop still shocking our chats, not many are able to see ahead.
But there is one visionary Nord who has great plans for the new GNAA.
"Under my leadership the GNAA will become the new home of all trolls on the internet.
The GNAA will regain its old strength and will be feared by bloggers and jews alike.
The time for CHANGE is now.
" DiKky HearTiez told a shocked audience outside the Gary Niger Memorial Plaza, Nigeria, earlier today.
The GNAA will move its Internet Relayed Communications to a new location, following reports of a massive "Distributed Denial Of Service" attack on its previous location, making it unreliable.
"Our operatives are in need of a robust and safe communications service with can\_flood for everyone.
" An anonymous source at the GNAA Black Ops department told reporters at the same conference.
KLULZ supports DiKKy Heartiez presidency!
The infamous KLULZ internet radio station supports DiKKy Heartiez for the new GNAA president.
"KLULZ is behind him 100\% and will be broadcasting his speeches and support him in every way possible, we wish him the best of luck and an outstanding presidency.
May many blogs burn under DiKky Hearties.
" This was stated by KLULZ Operations Manager and Gay Nigger g0sp when asked to comment on KLULZ involvement.
About President timecop DEAD.
About DiKKy HearTiez  The world famous internet nord from Norway LOL HY living in a fjord LOL HY.
Currently the new President of the new GNAA.
He is also a radiodj on KLULZ and active in many irc chats.
Known for several epic trolls in his time.
Led the GNAA operation Intel Crapflood 21, who succesfully made GNAA owners of the biggest thread on Slashdot until fixed by admins.
Also deeply involved in the war on blogs, and is the one who provided JesuitX with the real screenshots of Faggintosh Leopard.
His leadership abilities, high iq and instoppable urge to troll, coupled with his fat Norwegian welfare check will enable him to become the best President the GNAA ever had.
About KLULZ KLULZ is the internets radio station, bringing you news about the GNAA, hosting shows by prominent djs such as DiKKy, l0de, g0sp, jenk and many others.
KLULZ supports DiKKy Heartiez.
With mature content this channel is not suitable for children or people under the age of 18.
Klulz radio can be heard at http://klulz.com/listen.pls About GNAA: GNAA (GAY NIGGER ASSOCIATION OF AMERICA) is the firstorganization which gathers GAY NIGGERS from all over America and abroad for onecommon goal - being GAY NIGGERS.Are you  GAY  [klerck.org]?Are you a  NIGGER  [mugshots.org]?Are you a  GAY NIGGER  [gay-sex-access.com]?If you answered "Yes" to all of the above questions, then GNAA (GAY NIGGERASSOCIATION OF AMERICA) might be exactly what you've been looking for!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096694</id>
	<title>Re:NASA Quality &amp; Space Commercialization</title>
	<author>Anonymous</author>
	<datestamp>1258206360000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>5</modscore>
	<htmltext>Guys, the 90-day planned lifespan of the rovers was pure politics.  Congress wouldn't have gone for, "Yeah, we're gonna need funding for the next 5 years." if told so up-front.  At the same time, it wouldn't have made sense to allocate that money from the beginning since there was a non-zero chance that the rovers might auger in, like the Mars Polar Lander did, and that none of that funding for surface ops would be needed after all.  So they built the rovers, said "Well, if we get 90 days out of them, we can declare Mission Accomplished." and went with it.  Since they were solar-powered there's no particular reason that they would last only that long.  90 days was a classic case of "underpromise and overdeliver."  If there had been some sort of catastrophic design flaw and they failed after only 30 days they could have claimed to have succeeded with 1/3 of the mission objectives, etc.</htmltext>
<tokenext>Guys , the 90-day planned lifespan of the rovers was pure politics .
Congress would n't have gone for , " Yeah , we 're gon na need funding for the next 5 years .
" if told so up-front .
At the same time , it would n't have made sense to allocate that money from the beginning since there was a non-zero chance that the rovers might auger in , like the Mars Polar Lander did , and that none of that funding for surface ops would be needed after all .
So they built the rovers , said " Well , if we get 90 days out of them , we can declare Mission Accomplished .
" and went with it .
Since they were solar-powered there 's no particular reason that they would last only that long .
90 days was a classic case of " underpromise and overdeliver .
" If there had been some sort of catastrophic design flaw and they failed after only 30 days they could have claimed to have succeeded with 1/3 of the mission objectives , etc .</tokentext>
<sentencetext>Guys, the 90-day planned lifespan of the rovers was pure politics.
Congress wouldn't have gone for, "Yeah, we're gonna need funding for the next 5 years.
" if told so up-front.
At the same time, it wouldn't have made sense to allocate that money from the beginning since there was a non-zero chance that the rovers might auger in, like the Mars Polar Lander did, and that none of that funding for surface ops would be needed after all.
So they built the rovers, said "Well, if we get 90 days out of them, we can declare Mission Accomplished.
" and went with it.
Since they were solar-powered there's no particular reason that they would last only that long.
90 days was a classic case of "underpromise and overdeliver.
"  If there had been some sort of catastrophic design flaw and they failed after only 30 days they could have claimed to have succeeded with 1/3 of the mission objectives, etc.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096318</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30098756</id>
	<title>Re:Use the arm ?</title>
	<author>DerekLyons</author>
	<datestamp>1258222980000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext><p>The end of the arm is a cluster of scientific instruments, not a bucket like your excavator.  Not only can it not pick up anything, using it to push rocks/soils around or to lift the vehicle risks damaging or destroying the very instruments that are the rovers reason for being.  It's akin to sticking your head into a grinder to save the tip of your little finger.</p></htmltext>
<tokenext>The end of the arm is a cluster of scientific instruments , not a bucket like your excavator .
Not only can it not pick up anything , using it to push rocks/soils around or to lift the vehicle risks damaging or destroying the very instruments that are the rovers reason for being .
It 's akin to sticking your head into a grinder to save the tip of your little finger .</tokentext>
<sentencetext>The end of the arm is a cluster of scientific instruments, not a bucket like your excavator.
Not only can it not pick up anything, using it to push rocks/soils around or to lift the vehicle risks damaging or destroying the very instruments that are the rovers reason for being.
It's akin to sticking your head into a grinder to save the tip of your little finger.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096590</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30098186</id>
	<title>By the way...</title>
	<author>Kopachris</author>
	<datestamp>1258219860000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Both rovers have been in this same sort of situation before.  The first time it happened, NASA took a full-scale model out into their back yard to test various methods of getting them out.  They've gotten the rovers out of sand before, they can do it again.</htmltext>
<tokenext>Both rovers have been in this same sort of situation before .
The first time it happened , NASA took a full-scale model out into their back yard to test various methods of getting them out .
They 've gotten the rovers out of sand before , they can do it again .</tokentext>
<sentencetext>Both rovers have been in this same sort of situation before.
The first time it happened, NASA took a full-scale model out into their back yard to test various methods of getting them out.
They've gotten the rovers out of sand before, they can do it again.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099324</id>
	<title>Re:NASA Quality &amp; Space Commercialization</title>
	<author>Tablizer</author>
	<datestamp>1258226520000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><blockquote><div><p>Guys, the 90-day planned lifespan of the rovers was pure politics.</p></div></blockquote><p>Sorry, but that's a baseless accusation. There's no evidence for it. I would also point out that the rovers have suffered multiple malfunctions already including broken joint motors and stuck wheels. They were simply not designed for long-term use. The fact that the rovers are still operating is part luck and part clever work-arounds.</p><p>And dust-storms nearly froze the rovers to death (cracked electronics) by blocking sun. If these storms were a bit worse, like the one Mariner 9 encountered, who knows what would have happened.</p><p>Further, the Sojourner rover lasted only about a month.<br>
&nbsp;</p></div>
	</htmltext>
<tokenext>Guys , the 90-day planned lifespan of the rovers was pure politics.Sorry , but that 's a baseless accusation .
There 's no evidence for it .
I would also point out that the rovers have suffered multiple malfunctions already including broken joint motors and stuck wheels .
They were simply not designed for long-term use .
The fact that the rovers are still operating is part luck and part clever work-arounds.And dust-storms nearly froze the rovers to death ( cracked electronics ) by blocking sun .
If these storms were a bit worse , like the one Mariner 9 encountered , who knows what would have happened.Further , the Sojourner rover lasted only about a month .
 </tokentext>
<sentencetext>Guys, the 90-day planned lifespan of the rovers was pure politics.Sorry, but that's a baseless accusation.
There's no evidence for it.
I would also point out that the rovers have suffered multiple malfunctions already including broken joint motors and stuck wheels.
They were simply not designed for long-term use.
The fact that the rovers are still operating is part luck and part clever work-arounds.And dust-storms nearly froze the rovers to death (cracked electronics) by blocking sun.
If these storms were a bit worse, like the one Mariner 9 encountered, who knows what would have happened.Further, the Sojourner rover lasted only about a month.
 
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096694</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096602</id>
	<title>Send maintenance</title>
	<author>alexyap</author>
	<datestamp>1258204800000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Just send a maintenance guy out there to give it a push.

Perhaps the most efficient way to explore Mars in the future is to send an army of robots to do the exploring, plus a couple of humans just to service the robots and get them out of trouble spots.</htmltext>
<tokenext>Just send a maintenance guy out there to give it a push .
Perhaps the most efficient way to explore Mars in the future is to send an army of robots to do the exploring , plus a couple of humans just to service the robots and get them out of trouble spots .</tokentext>
<sentencetext>Just send a maintenance guy out there to give it a push.
Perhaps the most efficient way to explore Mars in the future is to send an army of robots to do the exploring, plus a couple of humans just to service the robots and get them out of trouble spots.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099264</id>
	<title>Re:Use the arm ?</title>
	<author>Anonymous</author>
	<datestamp>1258226040000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>5</modscore>
	<htmltext><p>Using the arm to help isn't <em>completely</em> off the table, but pretty close, largely for reasons you conjectured about in your post.  First, we can't actually push <em>while</em> driving, because the motor controllers are shared between the arm and the wheels -- you can run one or the other, but not both at once.</p><p>We could, potentially, push down with the arm to lift Spirit slightly, <em>then</em> run the wheels.  But Spirit's just not strong enough to make much difference.<nobr> <wbr></nobr>:-)  In the best case, we can push down with maybe 70N of force, and that's if we had a hard surface to push on.  (But if we had a hard surface to push on, we probably wouldn't be mired in this stuff in the first place.)  For comparison, you'd need to apply ~ 650N to completely lift Spirit, so the arm can apply only about 1/10 of the needed force.  As you can see, she wasn't designed to do one-handed push-ups.<nobr> <wbr></nobr>:-)</p><p>Further, doing so would pose a high risk of damage to the arm itself, and since four of Spirit's science instruments -- about 2/3 of the total science payload -- live on the end of that arm, the potential downsides are quite significant.</p><p>In addition, it's not completely clear that pushing down with the arm to partially lift Spirit would actually help: one effect of that would be to reduce the traction on the wheels, and not having enough traction is one of our big problems here.</p><p>Resculpting the terrain is a less unlikely scenario, but something we're keeping in our back pocket for now.  There are few suitable rocks within reach, we've never tried it and (again) would risk damaging the arm by doing so, and on top of all that we don't even know if it would actually help, since the rocks might simply slip quickly under the wheels without moving us forward much.  Even so, if things get desperate enough, we might possibly try that one.</p><p>The soil we're stuck in is very weird, and has some counterintuitive properties.  It doesn't work like dirt or mud.  We mixed up a batch of simulant to drive our test rover in, and while there are known differences between the simulant and the real soil, the experience of working with the simulant is quite illuminating.  The stuff feels like flour and flows like water: run your hand through it, and it flows away from you like water does, it just stops moving sooner.  Weird, weird stuff.</p></htmltext>
<tokenext>Using the arm to help is n't completely off the table , but pretty close , largely for reasons you conjectured about in your post .
First , we ca n't actually push while driving , because the motor controllers are shared between the arm and the wheels -- you can run one or the other , but not both at once.We could , potentially , push down with the arm to lift Spirit slightly , then run the wheels .
But Spirit 's just not strong enough to make much difference .
: - ) In the best case , we can push down with maybe 70N of force , and that 's if we had a hard surface to push on .
( But if we had a hard surface to push on , we probably would n't be mired in this stuff in the first place .
) For comparison , you 'd need to apply ~ 650N to completely lift Spirit , so the arm can apply only about 1/10 of the needed force .
As you can see , she was n't designed to do one-handed push-ups .
: - ) Further , doing so would pose a high risk of damage to the arm itself , and since four of Spirit 's science instruments -- about 2/3 of the total science payload -- live on the end of that arm , the potential downsides are quite significant.In addition , it 's not completely clear that pushing down with the arm to partially lift Spirit would actually help : one effect of that would be to reduce the traction on the wheels , and not having enough traction is one of our big problems here.Resculpting the terrain is a less unlikely scenario , but something we 're keeping in our back pocket for now .
There are few suitable rocks within reach , we 've never tried it and ( again ) would risk damaging the arm by doing so , and on top of all that we do n't even know if it would actually help , since the rocks might simply slip quickly under the wheels without moving us forward much .
Even so , if things get desperate enough , we might possibly try that one.The soil we 're stuck in is very weird , and has some counterintuitive properties .
It does n't work like dirt or mud .
We mixed up a batch of simulant to drive our test rover in , and while there are known differences between the simulant and the real soil , the experience of working with the simulant is quite illuminating .
The stuff feels like flour and flows like water : run your hand through it , and it flows away from you like water does , it just stops moving sooner .
Weird , weird stuff .</tokentext>
<sentencetext>Using the arm to help isn't completely off the table, but pretty close, largely for reasons you conjectured about in your post.
First, we can't actually push while driving, because the motor controllers are shared between the arm and the wheels -- you can run one or the other, but not both at once.We could, potentially, push down with the arm to lift Spirit slightly, then run the wheels.
But Spirit's just not strong enough to make much difference.
:-)  In the best case, we can push down with maybe 70N of force, and that's if we had a hard surface to push on.
(But if we had a hard surface to push on, we probably wouldn't be mired in this stuff in the first place.
)  For comparison, you'd need to apply ~ 650N to completely lift Spirit, so the arm can apply only about 1/10 of the needed force.
As you can see, she wasn't designed to do one-handed push-ups.
:-)Further, doing so would pose a high risk of damage to the arm itself, and since four of Spirit's science instruments -- about 2/3 of the total science payload -- live on the end of that arm, the potential downsides are quite significant.In addition, it's not completely clear that pushing down with the arm to partially lift Spirit would actually help: one effect of that would be to reduce the traction on the wheels, and not having enough traction is one of our big problems here.Resculpting the terrain is a less unlikely scenario, but something we're keeping in our back pocket for now.
There are few suitable rocks within reach, we've never tried it and (again) would risk damaging the arm by doing so, and on top of all that we don't even know if it would actually help, since the rocks might simply slip quickly under the wheels without moving us forward much.
Even so, if things get desperate enough, we might possibly try that one.The soil we're stuck in is very weird, and has some counterintuitive properties.
It doesn't work like dirt or mud.
We mixed up a batch of simulant to drive our test rover in, and while there are known differences between the simulant and the real soil, the experience of working with the simulant is quite illuminating.
The stuff feels like flour and flows like water: run your hand through it, and it flows away from you like water does, it just stops moving sooner.
Weird, weird stuff.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096590</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30098536</id>
	<title>You know what's not stopped by a little sand?</title>
	<author>Anonymous</author>
	<datestamp>1258221720000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>1</modscore>
	<htmltext><p>People.</p><p>A manned mission could have also accomplished all of the science Spirit has done in five years in a week, tops.</p></htmltext>
<tokenext>People.A manned mission could have also accomplished all of the science Spirit has done in five years in a week , tops .</tokentext>
<sentencetext>People.A manned mission could have also accomplished all of the science Spirit has done in five years in a week, tops.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096660</id>
	<title>Fat Chicks...</title>
	<author>Anonymous</author>
	<datestamp>1258205880000</datestamp>
	<modclass>Offtopic</modclass>
	<modscore>-1</modscore>
	<htmltext>Get your pussies ready!</htmltext>
<tokenext>Get your pussies ready !</tokentext>
<sentencetext>Get your pussies ready!</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096144</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096890</id>
	<title>Re:It's a conspiracy!</title>
	<author>hazee</author>
	<datestamp>1258209060000</datestamp>
	<modclass>Funny</modclass>
	<modscore>5</modscore>
	<htmltext>I fail to see why it takes Diego Maradona to free the rover, wherever it is.</htmltext>
<tokenext>I fail to see why it takes Diego Maradona to free the rover , wherever it is .</tokentext>
<sentencetext>I fail to see why it takes Diego Maradona to free the rover, wherever it is.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096220</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096292</id>
	<title>kolko mu e ...</title>
	<author>Anonymous</author>
	<datestamp>1258199520000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext>dve letvi pod gumetata, dvama marsianeca da butat i gaz do lamarinata<nobr> <wbr></nobr>...</htmltext>
<tokenext>dve letvi pod gumetata , dvama marsianeca da butat i gaz do lamarinata .. .</tokentext>
<sentencetext>dve letvi pod gumetata, dvama marsianeca da butat i gaz do lamarinata ...</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099482</id>
	<title>fix</title>
	<author>gugufrommdy</author>
	<datestamp>1258227600000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>./getouttasand.sh</htmltext>
<tokenext>./getouttasand.sh</tokentext>
<sentencetext>./getouttasand.sh</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30103148</id>
	<title>Re:Overly ambitious</title>
	<author>Anonymous</author>
	<datestamp>1258213860000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p><i>what have they added scientifically to our understanding of Mars in the past year?</i></p><p>A helluva lot more than the Iraq war, and at a significant savings in cost and lives.</p></htmltext>
<tokenext>what have they added scientifically to our understanding of Mars in the past year ? A helluva lot more than the Iraq war , and at a significant savings in cost and lives .</tokentext>
<sentencetext>what have they added scientifically to our understanding of Mars in the past year?A helluva lot more than the Iraq war, and at a significant savings in cost and lives.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099618</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097930</id>
	<title>Re:AAA's new market</title>
	<author>Anonymous</author>
	<datestamp>1258217880000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Last I heard you had to be standing beside your vehicle with your AAA card ready...</p></htmltext>
<tokenext>Last I heard you had to be standing beside your vehicle with your AAA card ready.. .</tokentext>
<sentencetext>Last I heard you had to be standing beside your vehicle with your AAA card ready...</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096250</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099934</id>
	<title>Re:It's a conspiracy!</title>
	<author>byrdfl3w</author>
	<datestamp>1258230480000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext>Don't be ridiculous. Of course it's on Mars.
<br> <br>
Obviously it just found evidence of alien life.
<br> <br>
Thus we must suffer this abysmally flimsy cover story about "breaking crusts" and "slippery sands", whilst the military take control of the rover to examine the evidence. I am almost positive they have already prepared missiles and instructed the scientists to push the secret button on the LHC.
<br> <br>
Which, unless I am very much mistaken, is bound to activate some sort of Omega 13 device.
<br> <br>
[CLICK]
<br> <br>
Don't be ridiculous. Of course it's on Mars.</htmltext>
<tokenext>Do n't be ridiculous .
Of course it 's on Mars .
Obviously it just found evidence of alien life .
Thus we must suffer this abysmally flimsy cover story about " breaking crusts " and " slippery sands " , whilst the military take control of the rover to examine the evidence .
I am almost positive they have already prepared missiles and instructed the scientists to push the secret button on the LHC .
Which , unless I am very much mistaken , is bound to activate some sort of Omega 13 device .
[ CLICK ] Do n't be ridiculous .
Of course it 's on Mars .</tokentext>
<sentencetext>Don't be ridiculous.
Of course it's on Mars.
Obviously it just found evidence of alien life.
Thus we must suffer this abysmally flimsy cover story about "breaking crusts" and "slippery sands", whilst the military take control of the rover to examine the evidence.
I am almost positive they have already prepared missiles and instructed the scientists to push the secret button on the LHC.
Which, unless I am very much mistaken, is bound to activate some sort of Omega 13 device.
[CLICK]
 
Don't be ridiculous.
Of course it's on Mars.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096220</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099168</id>
	<title>OK Where's the big hairy spider?</title>
	<author>fleebait</author>
	<datestamp>1258225440000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Gotta keep that camera spinning, over every shoulder.  With 6 wheels, there's gotta be a couple shoulders some where...  Nobody panic now, just because a wheel or two slips in the sand, does NOT mean that someone or some other big hairy thing is not digging under the wheels</p></htmltext>
<tokenext>Got ta keep that camera spinning , over every shoulder .
With 6 wheels , there 's got ta be a couple shoulders some where... Nobody panic now , just because a wheel or two slips in the sand , does NOT mean that someone or some other big hairy thing is not digging under the wheels</tokentext>
<sentencetext>Gotta keep that camera spinning, over every shoulder.
With 6 wheels, there's gotta be a couple shoulders some where...  Nobody panic now, just because a wheel or two slips in the sand, does NOT mean that someone or some other big hairy thing is not digging under the wheels</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096412</id>
	<title>It's in a sand trap?</title>
	<author>maxwell demon</author>
	<datestamp>1258201860000</datestamp>
	<modclass>Funny</modclass>
	<modscore>3</modscore>
	<htmltext><p>It's not just trapped in the sand? So we finally have proof there's intelligent life on Mars, which builds traps!</p></htmltext>
<tokenext>It 's not just trapped in the sand ?
So we finally have proof there 's intelligent life on Mars , which builds traps !</tokentext>
<sentencetext>It's not just trapped in the sand?
So we finally have proof there's intelligent life on Mars, which builds traps!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096348</id>
	<title>don't forget to</title>
	<author>Anonymous</author>
	<datestamp>1258200900000</datestamp>
	<modclass>Funny</modclass>
	<modscore>2</modscore>
	<htmltext><p>lock the hubs first</p></htmltext>
<tokenext>lock the hubs first</tokentext>
<sentencetext>lock the hubs first</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096426</id>
	<title>Just goes to show</title>
	<author>OverlordQ</author>
	<datestamp>1258202100000</datestamp>
	<modclass>Funny</modclass>
	<modscore>2</modscore>
	<htmltext><p>Just goes to show that all those smart people sometimes make mistakes, why they should hire a couple of rednecks to help design the next version, they enjoy off-roadin'</p></htmltext>
<tokenext>Just goes to show that all those smart people sometimes make mistakes , why they should hire a couple of rednecks to help design the next version , they enjoy off-roadin'</tokentext>
<sentencetext>Just goes to show that all those smart people sometimes make mistakes, why they should hire a couple of rednecks to help design the next version, they enjoy off-roadin'</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096160</id>
	<title>Oh no</title>
	<author>MichaelSmith</author>
	<datestamp>1258197120000</datestamp>
	<modclass>Funny</modclass>
	<modscore>5</modscore>
	<htmltext><p>Methinks it is time for somebody to get out and push.</p></htmltext>
<tokenext>Methinks it is time for somebody to get out and push .</tokentext>
<sentencetext>Methinks it is time for somebody to get out and push.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097466</id>
	<title>Re:NASA Quality &amp; Space Commercialization</title>
	<author>AikonMGB</author>
	<datestamp>1258213800000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>4</modscore>
	<htmltext><p>The problem isn't politics, it's requirements. In order meet a requirement like mission length, you have to show that the system will be X\% capable of operating for the desired life span (where X is defined by your customer). To show that a system is capable of surviving 90 days on Mars is likely multiple orders of magnitude cheaper than to show that a system is capable of surviving 5 years. Right off the bat, you would need
</p><ul>
  <li>increased solar panel area to deal with end-of-life conditions, both cell degradation and environmental effects;</li><li>more, bigger batteries to ensure that they can maintain sufficient charge after 5 years;</li><li>more expensive electronic components that can handle higher radiation doses, and more electronic redundancy to protect against single-event faults;</li><li>redundancy of moving parts critical to the mission (e.g. wheel motors); and,</li><li>as you mentioned, ground operations, both personnel, equipment, and antenna time.</li></ul><p>
This is just what I thought of in the 60 s it took me to write this post -- I'm sure there are many more factors anyone could dig up. The point is that aiming for 5 years, even with intent of only operating it for 90 days, would drive the cost up prohibitively.</p><p>Aikon-</p></htmltext>
<tokenext>The problem is n't politics , it 's requirements .
In order meet a requirement like mission length , you have to show that the system will be X \ % capable of operating for the desired life span ( where X is defined by your customer ) .
To show that a system is capable of surviving 90 days on Mars is likely multiple orders of magnitude cheaper than to show that a system is capable of surviving 5 years .
Right off the bat , you would need increased solar panel area to deal with end-of-life conditions , both cell degradation and environmental effects ; more , bigger batteries to ensure that they can maintain sufficient charge after 5 years ; more expensive electronic components that can handle higher radiation doses , and more electronic redundancy to protect against single-event faults ; redundancy of moving parts critical to the mission ( e.g .
wheel motors ) ; and,as you mentioned , ground operations , both personnel , equipment , and antenna time .
This is just what I thought of in the 60 s it took me to write this post -- I 'm sure there are many more factors anyone could dig up .
The point is that aiming for 5 years , even with intent of only operating it for 90 days , would drive the cost up prohibitively.Aikon-</tokentext>
<sentencetext>The problem isn't politics, it's requirements.
In order meet a requirement like mission length, you have to show that the system will be X\% capable of operating for the desired life span (where X is defined by your customer).
To show that a system is capable of surviving 90 days on Mars is likely multiple orders of magnitude cheaper than to show that a system is capable of surviving 5 years.
Right off the bat, you would need

  increased solar panel area to deal with end-of-life conditions, both cell degradation and environmental effects;more, bigger batteries to ensure that they can maintain sufficient charge after 5 years;more expensive electronic components that can handle higher radiation doses, and more electronic redundancy to protect against single-event faults;redundancy of moving parts critical to the mission (e.g.
wheel motors); and,as you mentioned, ground operations, both personnel, equipment, and antenna time.
This is just what I thought of in the 60 s it took me to write this post -- I'm sure there are many more factors anyone could dig up.
The point is that aiming for 5 years, even with intent of only operating it for 90 days, would drive the cost up prohibitively.Aikon-</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096694</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096196</id>
	<title>#gnaa irc.hardchats.com</title>
	<author>Anonymous</author>
	<datestamp>1258197600000</datestamp>
	<modclass>Troll</modclass>
	<modscore>-1</modscore>
	<htmltext><p> <b>GNAA REBORN UNDER NEW LEADERSHIP</b> </p><p> <i>DiKKy Heartiez - Berlin, Norway </i> </p><p>President timecop of the GNAA has died today. He died at the age of 55 from excessive lulz in his apartment in Tokyo, Japan while watching faggot cartoons of preteen girls beeing raped by giant testicles. The world will remember him as a total faggot douchebag who had the opportunity to unite the best trolls seen upon the face of the internet into one special hardcore machine of destruction, unfortunately he failed, instead devoting his internet carreer to animu. Although he died like a true hero he will be forever remembered as a total failure. </p><p>In the wake of his death the GNAA is thought to perish like all the other so called trolling organizations. The writing is on the wall, they say. The GNAA smells worse than BSD, they say.They have said this for a long time. The GNAA has lived, with a very faint pulse, for years. </p><p> <b> DIKKY HEARTIEZ CLAIMS THE PRESIDENCY OF THE GNAA!!!!!!!</b> </p><p>With the death of timecop still shocking our chats, not many are able to see ahead. But there is one visionary Nord who has great plans for the new GNAA.<br>"Under my leadership the GNAA will become the new home of all trolls on the internet. The GNAA will regain its old strength and will be feared by bloggers and jews alike. The time for CHANGE is now." DiKky HearTiez told a shocked audience outside the Gary Niger Memorial Plaza, Nigeria, earlier today. The GNAA will move its Internet Relayed Communications to a new location, following reports of a massive "Distributed Denial Of Service" attack on its previous location, making it unreliable.<br>"Our operatives are in need of a robust and safe communications service with can\_flood for everyone." An anonymous source at the GNAA Black Ops department told reporters at the same conference.</p><p> <b>KLULZ supports DiKKy Heartiez presidency!</b> </p><p>The infamous KLULZ internet radio station supports DiKKy Heartiez for the new GNAA president.<br>"KLULZ is behind him 100\% and will be broadcasting his speeches and support him in every way possible, we wish him the best of luck and an outstanding presidency. May many blogs burn under DiKky Hearties." This was stated by KLULZ Operations Manager and Gay Nigger g0sp when asked to comment on KLULZ involvement.</p><p> <b>About President timecop</b> </p><p>DEAD.</p><p> <b>About DiKKy HearTiez </b> </p><p>The world famous internet nord from Norway LOL HY living in a fjord LOL HY. Currently the new President of the new GNAA. He is also a radiodj on KLULZ and active in many irc chats. Known for several epic trolls in his time. Led the GNAA operation Intel Crapflood 21, who succesfully made GNAA owners of the biggest thread on Slashdot until fixed by admins. Also deeply involved in the war on blogs, and is the one who provided JesuitX with the real screenshots of Faggintosh Leopard. His leadership abilities, high iq and instoppable urge to troll, coupled with his fat Norwegian welfare check will enable him to become the best President the GNAA ever had.</p><p> <b>About KLULZ</b> </p><p>KLULZ is the internets radio station, bringing you news about the GNAA, hosting shows by prominent djs such as DiKKy, l0de, g0sp, jenk and many others. KLULZ supports DiKKy Heartiez. With mature content this channel is not suitable for children or people under the age of 18. Klulz radio can be heard at http://klulz.com/listen.pls</p><p> <b>About GNAA</b>:</p><p> <b>GNAA</b> (<i>GAY NIGGER ASSOCIATION OF AMERICA</i>) is the first<br>organization which gathers GAY NIGGERS from all over America and abroad for one<br>common goal - being GAY NIGGERS.</p><p>Are you <a href="http://klerck.org/spin.gif" title="klerck.org" rel="nofollow"> <b>GAY</b> </a> [klerck.org]?</p><p>Are you a <a href="http://www.mugshots.org/sports/oj-simpson.jpg" title="mugshots.org" rel="nofollow"> <b>NIGGER</b> </a> [mugshots.org]?</p><p>Are you a <a href="http://www.gay-sex-access.com/gay-black-sex.jpg" title="gay-sex-access.com" rel="nofollow"> <b>GAY NIGGER</b> </a> [gay-sex-access.com]?</p><p>If you answered "Yes" to all of the above questions, then <b>GNAA</b> (<i>GAY NIGGER<br>ASSOCIATION OF AMERICA</i>) might be exactly what you've been looking for!</p></htmltext>
<tokenext>GNAA REBORN UNDER NEW LEADERSHIP DiKKy Heartiez - Berlin , Norway President timecop of the GNAA has died today .
He died at the age of 55 from excessive lulz in his apartment in Tokyo , Japan while watching faggot cartoons of preteen girls beeing raped by giant testicles .
The world will remember him as a total faggot douchebag who had the opportunity to unite the best trolls seen upon the face of the internet into one special hardcore machine of destruction , unfortunately he failed , instead devoting his internet carreer to animu .
Although he died like a true hero he will be forever remembered as a total failure .
In the wake of his death the GNAA is thought to perish like all the other so called trolling organizations .
The writing is on the wall , they say .
The GNAA smells worse than BSD , they say.They have said this for a long time .
The GNAA has lived , with a very faint pulse , for years .
DIKKY HEARTIEZ CLAIMS THE PRESIDENCY OF THE GNAA ! ! ! ! ! ! !
With the death of timecop still shocking our chats , not many are able to see ahead .
But there is one visionary Nord who has great plans for the new GNAA .
" Under my leadership the GNAA will become the new home of all trolls on the internet .
The GNAA will regain its old strength and will be feared by bloggers and jews alike .
The time for CHANGE is now .
" DiKky HearTiez told a shocked audience outside the Gary Niger Memorial Plaza , Nigeria , earlier today .
The GNAA will move its Internet Relayed Communications to a new location , following reports of a massive " Distributed Denial Of Service " attack on its previous location , making it unreliable .
" Our operatives are in need of a robust and safe communications service with can \ _flood for everyone .
" An anonymous source at the GNAA Black Ops department told reporters at the same conference .
KLULZ supports DiKKy Heartiez presidency !
The infamous KLULZ internet radio station supports DiKKy Heartiez for the new GNAA president .
" KLULZ is behind him 100 \ % and will be broadcasting his speeches and support him in every way possible , we wish him the best of luck and an outstanding presidency .
May many blogs burn under DiKky Hearties .
" This was stated by KLULZ Operations Manager and Gay Nigger g0sp when asked to comment on KLULZ involvement .
About President timecop DEAD .
About DiKKy HearTiez The world famous internet nord from Norway LOL HY living in a fjord LOL HY .
Currently the new President of the new GNAA .
He is also a radiodj on KLULZ and active in many irc chats .
Known for several epic trolls in his time .
Led the GNAA operation Intel Crapflood 21 , who succesfully made GNAA owners of the biggest thread on Slashdot until fixed by admins .
Also deeply involved in the war on blogs , and is the one who provided JesuitX with the real screenshots of Faggintosh Leopard .
His leadership abilities , high iq and instoppable urge to troll , coupled with his fat Norwegian welfare check will enable him to become the best President the GNAA ever had .
About KLULZ KLULZ is the internets radio station , bringing you news about the GNAA , hosting shows by prominent djs such as DiKKy , l0de , g0sp , jenk and many others .
KLULZ supports DiKKy Heartiez .
With mature content this channel is not suitable for children or people under the age of 18 .
Klulz radio can be heard at http : //klulz.com/listen.pls About GNAA : GNAA ( GAY NIGGER ASSOCIATION OF AMERICA ) is the firstorganization which gathers GAY NIGGERS from all over America and abroad for onecommon goal - being GAY NIGGERS.Are you GAY [ klerck.org ] ? Are you a NIGGER [ mugshots.org ] ? Are you a GAY NIGGER [ gay-sex-access.com ] ? If you answered " Yes " to all of the above questions , then GNAA ( GAY NIGGERASSOCIATION OF AMERICA ) might be exactly what you 've been looking for !</tokentext>
<sentencetext> GNAA REBORN UNDER NEW LEADERSHIP  DiKKy Heartiez - Berlin, Norway  President timecop of the GNAA has died today.
He died at the age of 55 from excessive lulz in his apartment in Tokyo, Japan while watching faggot cartoons of preteen girls beeing raped by giant testicles.
The world will remember him as a total faggot douchebag who had the opportunity to unite the best trolls seen upon the face of the internet into one special hardcore machine of destruction, unfortunately he failed, instead devoting his internet carreer to animu.
Although he died like a true hero he will be forever remembered as a total failure.
In the wake of his death the GNAA is thought to perish like all the other so called trolling organizations.
The writing is on the wall, they say.
The GNAA smells worse than BSD, they say.They have said this for a long time.
The GNAA has lived, with a very faint pulse, for years.
DIKKY HEARTIEZ CLAIMS THE PRESIDENCY OF THE GNAA!!!!!!!
With the death of timecop still shocking our chats, not many are able to see ahead.
But there is one visionary Nord who has great plans for the new GNAA.
"Under my leadership the GNAA will become the new home of all trolls on the internet.
The GNAA will regain its old strength and will be feared by bloggers and jews alike.
The time for CHANGE is now.
" DiKky HearTiez told a shocked audience outside the Gary Niger Memorial Plaza, Nigeria, earlier today.
The GNAA will move its Internet Relayed Communications to a new location, following reports of a massive "Distributed Denial Of Service" attack on its previous location, making it unreliable.
"Our operatives are in need of a robust and safe communications service with can\_flood for everyone.
" An anonymous source at the GNAA Black Ops department told reporters at the same conference.
KLULZ supports DiKKy Heartiez presidency!
The infamous KLULZ internet radio station supports DiKKy Heartiez for the new GNAA president.
"KLULZ is behind him 100\% and will be broadcasting his speeches and support him in every way possible, we wish him the best of luck and an outstanding presidency.
May many blogs burn under DiKky Hearties.
" This was stated by KLULZ Operations Manager and Gay Nigger g0sp when asked to comment on KLULZ involvement.
About President timecop DEAD.
About DiKKy HearTiez  The world famous internet nord from Norway LOL HY living in a fjord LOL HY.
Currently the new President of the new GNAA.
He is also a radiodj on KLULZ and active in many irc chats.
Known for several epic trolls in his time.
Led the GNAA operation Intel Crapflood 21, who succesfully made GNAA owners of the biggest thread on Slashdot until fixed by admins.
Also deeply involved in the war on blogs, and is the one who provided JesuitX with the real screenshots of Faggintosh Leopard.
His leadership abilities, high iq and instoppable urge to troll, coupled with his fat Norwegian welfare check will enable him to become the best President the GNAA ever had.
About KLULZ KLULZ is the internets radio station, bringing you news about the GNAA, hosting shows by prominent djs such as DiKKy, l0de, g0sp, jenk and many others.
KLULZ supports DiKKy Heartiez.
With mature content this channel is not suitable for children or people under the age of 18.
Klulz radio can be heard at http://klulz.com/listen.pls About GNAA: GNAA (GAY NIGGER ASSOCIATION OF AMERICA) is the firstorganization which gathers GAY NIGGERS from all over America and abroad for onecommon goal - being GAY NIGGERS.Are you  GAY  [klerck.org]?Are you a  NIGGER  [mugshots.org]?Are you a  GAY NIGGER  [gay-sex-access.com]?If you answered "Yes" to all of the above questions, then GNAA (GAY NIGGERASSOCIATION OF AMERICA) might be exactly what you've been looking for!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30116582</id>
	<title>Re:Use the arm ?</title>
	<author>Anonymous</author>
	<datestamp>1258392960000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p><i>First, we can't actually push while driving, because the motor controllers are shared between the arm and the wheels -- you can run one or the other, but not both at once.</i></p><p>So what you're saying is that it's like a Romulan warbird, which can't fire while cloaked...</p><p>By ST6 they had "just the prototype" that worked around that, but we all know what happened to it...</p></htmltext>
<tokenext>First , we ca n't actually push while driving , because the motor controllers are shared between the arm and the wheels -- you can run one or the other , but not both at once.So what you 're saying is that it 's like a Romulan warbird , which ca n't fire while cloaked...By ST6 they had " just the prototype " that worked around that , but we all know what happened to it.. .</tokentext>
<sentencetext>First, we can't actually push while driving, because the motor controllers are shared between the arm and the wheels -- you can run one or the other, but not both at once.So what you're saying is that it's like a Romulan warbird, which can't fire while cloaked...By ST6 they had "just the prototype" that worked around that, but we all know what happened to it...</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099264</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30098986</id>
	<title>Big bang theory</title>
	<author>jdc18</author>
	<datestamp>1258224180000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>I love that big bang theory episode</htmltext>
<tokenext>I love that big bang theory episode</tokentext>
<sentencetext>I love that big bang theory episode</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30131108</id>
	<title>WWMBerDo</title>
	<author>Anonymous</author>
	<datestamp>1258483200000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>They just need to let some air out of the tires. That's what mountain bikers do. Just grab a nearby stick and let some air outta dem puppies.</p></htmltext>
<tokenext>They just need to let some air out of the tires .
That 's what mountain bikers do .
Just grab a nearby stick and let some air outta dem puppies .</tokentext>
<sentencetext>They just need to let some air out of the tires.
That's what mountain bikers do.
Just grab a nearby stick and let some air outta dem puppies.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096318</id>
	<title>NASA Quality &amp; Space Commercialization</title>
	<author>Anonymous</author>
	<datestamp>1258200180000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>3</modscore>
	<htmltext>It seems like future rovers should have instrumentation to sense the composition of the ground they are about to tread over, as well as extra limbs that can be used to repair the rover (even just a brush to clean the solar panels) or assist its movement (grappling hook?)
<br> <br>
Say what you will about NASA's large budgets or sometimes questionable research efforts... when put to the task, they can produce some remarkable feats of engineering
<br> <br>
The longevity of the Mars rovers never ceases to amaze me. Just the fact that we are controlling robots we landed on Mars is cool enough, but that they lasted 22 times longer than their intended 90-day lifetime in the harsh Mars environment, is truly an example of quality engineering.
<br> <br>
Of course, their over-engineering of human risk-related matters leaves something to be desired. Anyone exploring uncharted territories has to accept the risks involved, including the possibility of a one way trip. Is that really such a bad thing though? There are plenty of risk-takers who thrive on this, and plenty of them would love to make history as part of the first colonization team on the moon (for example).
<br> <br>
Instead of focusing resources on ensuring safe return, we should spend those resources on setting up permanent, sustainable facilities on the moon, so that we can slowly reduce our need to continually send materials. Is shipping miniature mining and production robot/facility to the moon that unimaginable? Once you can harvest and produce key materials on the moon, the task of setting up long-term human habitats becomes at least slightly easier.
<br> <br>
I really hope the commercialization of space travel is the catalyst needed to accelerate the development of space colonization, and I hope that the excessive human-risk aversion policies that arguably held NASA back are not forced upon the participating private companies of the new space era.
<br> <br>
On yet another mildly-unrelated note:
<br>
I'd love to see more development on the Launch Loop concept, which seems WAY more feasible than the space elevators... no science/technology breakthroughs are required, just a lot of energy and money<nobr> <wbr></nobr>;)
<br>
<a href="http://en.wikipedia.org/wiki/Launch\_loop" title="wikipedia.org">http://en.wikipedia.org/wiki/Launch\_loop</a> [wikipedia.org]</htmltext>
<tokenext>It seems like future rovers should have instrumentation to sense the composition of the ground they are about to tread over , as well as extra limbs that can be used to repair the rover ( even just a brush to clean the solar panels ) or assist its movement ( grappling hook ?
) Say what you will about NASA 's large budgets or sometimes questionable research efforts... when put to the task , they can produce some remarkable feats of engineering The longevity of the Mars rovers never ceases to amaze me .
Just the fact that we are controlling robots we landed on Mars is cool enough , but that they lasted 22 times longer than their intended 90-day lifetime in the harsh Mars environment , is truly an example of quality engineering .
Of course , their over-engineering of human risk-related matters leaves something to be desired .
Anyone exploring uncharted territories has to accept the risks involved , including the possibility of a one way trip .
Is that really such a bad thing though ?
There are plenty of risk-takers who thrive on this , and plenty of them would love to make history as part of the first colonization team on the moon ( for example ) .
Instead of focusing resources on ensuring safe return , we should spend those resources on setting up permanent , sustainable facilities on the moon , so that we can slowly reduce our need to continually send materials .
Is shipping miniature mining and production robot/facility to the moon that unimaginable ?
Once you can harvest and produce key materials on the moon , the task of setting up long-term human habitats becomes at least slightly easier .
I really hope the commercialization of space travel is the catalyst needed to accelerate the development of space colonization , and I hope that the excessive human-risk aversion policies that arguably held NASA back are not forced upon the participating private companies of the new space era .
On yet another mildly-unrelated note : I 'd love to see more development on the Launch Loop concept , which seems WAY more feasible than the space elevators... no science/technology breakthroughs are required , just a lot of energy and money ; ) http : //en.wikipedia.org/wiki/Launch \ _loop [ wikipedia.org ]</tokentext>
<sentencetext>It seems like future rovers should have instrumentation to sense the composition of the ground they are about to tread over, as well as extra limbs that can be used to repair the rover (even just a brush to clean the solar panels) or assist its movement (grappling hook?
)
 
Say what you will about NASA's large budgets or sometimes questionable research efforts... when put to the task, they can produce some remarkable feats of engineering
 
The longevity of the Mars rovers never ceases to amaze me.
Just the fact that we are controlling robots we landed on Mars is cool enough, but that they lasted 22 times longer than their intended 90-day lifetime in the harsh Mars environment, is truly an example of quality engineering.
Of course, their over-engineering of human risk-related matters leaves something to be desired.
Anyone exploring uncharted territories has to accept the risks involved, including the possibility of a one way trip.
Is that really such a bad thing though?
There are plenty of risk-takers who thrive on this, and plenty of them would love to make history as part of the first colonization team on the moon (for example).
Instead of focusing resources on ensuring safe return, we should spend those resources on setting up permanent, sustainable facilities on the moon, so that we can slowly reduce our need to continually send materials.
Is shipping miniature mining and production robot/facility to the moon that unimaginable?
Once you can harvest and produce key materials on the moon, the task of setting up long-term human habitats becomes at least slightly easier.
I really hope the commercialization of space travel is the catalyst needed to accelerate the development of space colonization, and I hope that the excessive human-risk aversion policies that arguably held NASA back are not forced upon the participating private companies of the new space era.
On yet another mildly-unrelated note:

I'd love to see more development on the Launch Loop concept, which seems WAY more feasible than the space elevators... no science/technology breakthroughs are required, just a lot of energy and money ;)

http://en.wikipedia.org/wiki/Launch\_loop [wikipedia.org]</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30100240</id>
	<title>Re:Use the arm ?</title>
	<author>Jesus\_666</author>
	<datestamp>1258189200000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Can you tell us the simulant's composition? Is it something one can (safely) recreate at home? It sounds exactly like something many geeks would love to play around with. Including me.</htmltext>
<tokenext>Can you tell us the simulant 's composition ?
Is it something one can ( safely ) recreate at home ?
It sounds exactly like something many geeks would love to play around with .
Including me .</tokentext>
<sentencetext>Can you tell us the simulant's composition?
Is it something one can (safely) recreate at home?
It sounds exactly like something many geeks would love to play around with.
Including me.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30099264</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30098640</id>
	<title>Re:Overly ambitious</title>
	<author>DerekLyons</author>
	<datestamp>1258222380000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>2</modscore>
	<htmltext><blockquote><div><p>But... why aren't there six more of these things wandering around by now?</p></div></blockquote><p>Why should there be six more wandering around?  Their landing systems only allow them to reach a very small proportion of the Martian surface and they are only designed to answer a limited series of scientific questions during their very brief lifespan.  Also, odds are that of those six, two would have died shortly after landing, three would have died on or about the ninety day limit, and the remaining one would have died during the first winter.  (I.E. it's very hard to give an analogy that even remotely conveys how miraculous it is that <i>Spirit</i> and <i>Opportunity</i> are still functioning.)</p></div>
	</htmltext>
<tokenext>But... why are n't there six more of these things wandering around by now ? Why should there be six more wandering around ?
Their landing systems only allow them to reach a very small proportion of the Martian surface and they are only designed to answer a limited series of scientific questions during their very brief lifespan .
Also , odds are that of those six , two would have died shortly after landing , three would have died on or about the ninety day limit , and the remaining one would have died during the first winter .
( I.E. it 's very hard to give an analogy that even remotely conveys how miraculous it is that Spirit and Opportunity are still functioning .
)</tokentext>
<sentencetext>But... why aren't there six more of these things wandering around by now?Why should there be six more wandering around?
Their landing systems only allow them to reach a very small proportion of the Martian surface and they are only designed to answer a limited series of scientific questions during their very brief lifespan.
Also, odds are that of those six, two would have died shortly after landing, three would have died on or about the ninety day limit, and the remaining one would have died during the first winter.
(I.E. it's very hard to give an analogy that even remotely conveys how miraculous it is that Spirit and Opportunity are still functioning.
)
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30097650</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30098776</id>
	<title>Re:Oh no</title>
	<author>Anonymous</author>
	<datestamp>1258223100000</datestamp>
	<modclass>Funny</modclass>
	<modscore>1</modscore>
	<htmltext><p>Floor mats</p></htmltext>
<tokenext>Floor mats</tokentext>
<sentencetext>Floor mats</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_11_14_0218207.30096160</parent>
</comment>
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