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	<title>Comment Feed for Channel 9 - Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
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		<title>Channel 9 - Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
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	<description>While in LA for 
PDC2008, we were lucky enough to get the chance to head down to Pasadena for a tour and interview at the
Jet Propulsion Laboratory.&amp;nbsp;Nic Fillingham and I grabbed a cab and met up with the great Marc
 Mercuri (of 
RoboChamps fame), DPE&#39;s VP Walid Abu-Hadba and others to get a look at the JPL Mars Rover facility and meet some of the folks behind the

Mars Exploration Rover Mission. Our guide was the venerable Dave Lavery who is the Program Executive for

Solar System Exploration at 
NASA.This is a fascinating glimpse into the world of solar system exploration from the perspective of robotics and software design&amp;nbsp;(Dave was a major contributor to the robotics design and development efforts behind (and in) the Mars rovers, Spirit and Opportunity).Tune in and learn about some of the challenges of developing autonomous machines that you will never get to touch again (think about the reduncancy requirements for a robot rover that is deployed 100 million miles away from Earth...). It&#39;s really exciting that
 the Mars rovers Spirit and Opportunity will be joined on the red planet by a new mobile robot equipped with an advanced laboratory capable of unparalleled experimentation and analysis. The folks at JPL think 100 million miles outside of the box!</description>
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	<language>en</language>
	<pubDate>Sat, 18 May 2013 17:40:59 GMT</pubDate>
	<lastBuildDate>Sat, 18 May 2013 17:40:59 GMT</lastBuildDate>
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	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[
<p>Cool vid.&nbsp; I wonder, will the new rover have a way to remove a wheel (i.e. exploding bolts)&nbsp;if it jams up?&nbsp; Will they be using Robotics Studio at all?&nbsp; &nbsp;At the end, what money did he owe you Charles?</p>
<p>posted by staceyw</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633625436960000000</link>
		<pubDate>Mon, 17 Nov 2008 18:34:56 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633625436960000000</guid>
		<dc:creator>staceyw</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[
<p>NASA should create a retail mars rover with robotic studio as the software&nbsp;platform and sell it.&nbsp; Good way to raise money for the project and good&nbsp;education for&nbsp;kids and adults.&nbsp; Could integrate the hw with an Xbox game with missions&nbsp;and 3d&nbsp;landscapes extruded
 from the 2d pictures.&nbsp; Now if I can just figure out how to incorporate guitar hero&nbsp;into a mission...</p>
<p>posted by staceyw</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633625443320000000</link>
		<pubDate>Mon, 17 Nov 2008 18:45:32 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633625443320000000</guid>
		<dc:creator>staceyw</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[<img src='http://ecn.channel9.msdn.com/o9/content/images/emoticons/emotion-1.gif' alt='Smiley' /> That was my attempt at acting like a Mob Collector (note the shades). Just having some fun with Dave.<br />C<p>posted by Charles</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633625451730000000</link>
		<pubDate>Mon, 17 Nov 2008 18:59:33 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633625451730000000</guid>
		<dc:creator>Charles</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[As we discussed in the interview, the software that drives the rovers is written in pure C (which is an evolutionary step for NASA given that just a few years ago they were still writing in Assembler). There is no room for a general purpose operating system
 given the extreme memory constraints. The rovers are running&nbsp;VxWorks RTOS (from WindRiver Software). There is a place for Microsoft Robotics, but it's not on the rovers themselves... Stay tuned.<br /><br />C<p>posted by Charles</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633625455440000000</link>
		<pubDate>Mon, 17 Nov 2008 19:05:44 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633625455440000000</guid>
		<dc:creator>Charles</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[
<p>Sven is going to love this one <img src='http://ecn.channel9.msdn.com/o9/content/images/emoticons/emotion-1.gif' alt='Smiley' /> Me too. Thanks Charles.</p>
<p>posted by littleguru</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633625471790000000</link>
		<pubDate>Mon, 17 Nov 2008 19:32:59 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633625471790000000</guid>
		<dc:creator>littleguru</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[Yeah awesome video. The rovers are a testament to good engineering, still&nbsp;working so long after they were intended to without any possibility for maintenance (other than the software upgrades). I wonder what kind of capacity it has in terms of memory;
 obviously it needs quite a lot of space&nbsp;to store&nbsp;the scientific data and other stuff before it sends it home, but what is available for e.g. the autonomous driving program?<br /><br />A technical note about the video: I found having the voices separated (Charles in the left channel and Dave Lavery in the right channel) to be very distracting. If you look at professional video, even hollywood movies, they almost never put voices in the side
 channels (and if they do, it's for a short time only and usually a character that's off screen). Voice needs to be in the center pretty much always.<p>posted by Sven Groot</p>]]>
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		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626189010000000</link>
		<pubDate>Tue, 18 Nov 2008 15:28:21 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626189010000000</guid>
		<dc:creator>Sven Groot</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[I wonder what an uplink these rovers have. It would be interesting to know how fast the data is transferred from Mars to Earth.<p>posted by littleguru</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626336900000000</link>
		<pubDate>Tue, 18 Nov 2008 19:34:50 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626336900000000</guid>
		<dc:creator>littleguru</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[At the bginning of the interview Dave talks about how long it takes to communicate with the rovers from Earth. Now, if you do the math (left as an exercise for you) you can get the tranmission speed (distance from Earth is 100-300 million miles). Re-watch
 the first part and you'll have your answer.<br />C<p>posted by Charles</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626351660000000</link>
		<pubDate>Tue, 18 Nov 2008 19:59:26 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626351660000000</guid>
		<dc:creator>Charles</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[These robots run in a very constricted runtime environment. I'm not sure about physical disk space. There's not much room for a lot of computing hardware.<br />C<p>posted by Charles</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626352700000000</link>
		<pubDate>Tue, 18 Nov 2008 20:01:10 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626352700000000</guid>
		<dc:creator>Charles</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[Didn't he only mention how long it takes to get in contact. It would be interesting to know how fat the pipe is. Like how much data they get each second? Also... they probably don't use TCP/IP. Imagine a packet gets lost <img src='http://ecn.channel9.msdn.com/o9/content/images/emoticons/emotion-2.gif' alt='Big Smile' /> The robot would wait forever
 to catch up again.<p>posted by littleguru</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626421000000000</link>
		<pubDate>Tue, 18 Nov 2008 21:55:00 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626421000000000</guid>
		<dc:creator>littleguru</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[I'll reach out to Dave and get an answer for you.
<div>C</div>
<p>posted by Charles</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626421750000000</link>
		<pubDate>Tue, 18 Nov 2008 21:56:15 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626421750000000</guid>
		<dc:creator>Charles</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[On a side note, check this out (Interplanetary Internet):&nbsp;<a href="http://www.ipnsig.org/aboutstudy.htm">http://www.ipnsig.org/aboutstudy.htm</a>
<div>C</div>
<p>posted by Charles</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626428380000000</link>
		<pubDate>Tue, 18 Nov 2008 22:07:18 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633626428380000000</guid>
		<dc:creator>Charles</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[Yeah. I have read about that project. It's really cool - and makes complete sense.<br /><br />I was thinking about the stuff that we discussed here yesterday in the evening. There must be quite a storage on the rovers. Imagine they do their work and are on the side of Mars that's not focusing to earth. They need to store the data until they get contact
 again. I know that there's a relay station in orbit - it might be that they buffer the data there but I'm not sure.<br /><br />These projects are faced very interesting problems!<p>posted by littleguru</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633627144720000000</link>
		<pubDate>Wed, 19 Nov 2008 18:01:12 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633627144720000000</guid>
		<dc:creator>littleguru</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[<br />It not the packet lost, it's the latency!&nbsp; You're looking at 6.5 minutes just to get an ACK back before you send any data!<br /><br />Their datarate is 256Kbits/s max when relayed via the Odyssey orbiter, their direct link is something like 2Kbits/s<br /><br />BTW this is kind of intreasting <a href="http://hobbiton.thisside.net/rovermanual/">
http://hobbiton.thisside.net/rovermanual/</a><p>posted by PerfectPhase</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633628152090000000</link>
		<pubDate>Thu, 20 Nov 2008 22:00:09 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633628152090000000</guid>
		<dc:creator>PerfectPhase</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[2 kbit/sec and 256 kbit/sec. wow that's really not that much. Can't be much data that is transferred then.<p>posted by littleguru</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633629380000000000</link>
		<pubDate>Sat, 22 Nov 2008 08:06:40 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633629380000000000</guid>
		<dc:creator>littleguru</dc:creator>
	</item>
	<item>
		<title>Re: Channel 9 on Mars: Inside the Mars Exploration Mission - Past, Present and Future</title>
		<description>
			<![CDATA[Had this one bookmarked to watch for a while Charles, great video, very interesting.<p>posted by KevinB</p>]]>
		</description>
		<link>http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633647247770000000</link>
		<pubDate>Sat, 13 Dec 2008 00:26:17 GMT</pubDate>
		<guid isPermaLink="true">http://channel9.msdn.com/Blogs/Charles/Channel-9-on-Mars-Inside-the-Mars-Exploration-Mission-Past-Present-and-Future#c633647247770000000</guid>
		<dc:creator>KevinB</dc:creator>
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