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	<title>Comments on: The Gray Goo Problem</title>
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	<description>Accelerating Intelligence</description>
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		<title>By: Darrell Duffy</title>
		<link>http://www.kurzweilai.net/the-gray-goo-problem/comment-page-1#comment-13924</link>
		<dc:creator>Darrell Duffy</dc:creator>
		<pubDate>Sun, 22 Apr 2012 05:02:09 +0000</pubDate>
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		<description>Nowhere can I find an energy analysis of the Gray Goo problem. Every GG scenario I&#039;ve seen talks as if these bots operate like perpetual motion machines. There are two opportunities: &quot;Combustion&quot; like driven nanites, and Solar Driven nanites. Combustion driven nanites are no more dangerous than fires. And Solar Powered nanites would be limited in the same ways that algae is limited. Our planet is covered to the largest extent possible by Green Goo. Just leave an open container of water anywhere on the planet and you will see it soon fill with Green Goo. However, this soon self limits. I think a careful energy analysis will show that Gray Goo is no more dangerous than Green Goo or Fires and for all the same reasons.</description>
		<content:encoded><![CDATA[<p>Nowhere can I find an energy analysis of the Gray Goo problem. Every GG scenario I&#8217;ve seen talks as if these bots operate like perpetual motion machines. There are two opportunities: &#8220;Combustion&#8221; like driven nanites, and Solar Driven nanites. Combustion driven nanites are no more dangerous than fires. And Solar Powered nanites would be limited in the same ways that algae is limited. Our planet is covered to the largest extent possible by Green Goo. Just leave an open container of water anywhere on the planet and you will see it soon fill with Green Goo. However, this soon self limits. I think a careful energy analysis will show that Gray Goo is no more dangerous than Green Goo or Fires and for all the same reasons.</p>
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		<title>By: &#187; Terrorists send bombs to nano-technology professors in Mexico :: Granite Geek :: NashuaTelegraph.com</title>
		<link>http://www.kurzweilai.net/the-gray-goo-problem/comment-page-1#comment-4365</link>
		<dc:creator>&#187; Terrorists send bombs to nano-technology professors in Mexico :: Granite Geek :: NashuaTelegraph.com</dc:creator>
		<pubDate>Thu, 11 Aug 2011 10:57:23 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/the-gray-goo-problem#comment-4365</guid>
		<description>[...] about &#8220;gray goo&#8221; or something like it has led some terrorists to send mail bombs to a couple of Mexican [...]</description>
		<content:encoded><![CDATA[<p>[...] about &#8220;gray goo&#8221; or something like it has led some terrorists to send mail bombs to a couple of Mexican [...]</p>
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