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	<title>Comments on: Lightest Material in the World</title>
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	<link>http://www.kurzweilai.net/lightest-material-in-the-world</link>
	<description>Accelerating Intelligence</description>
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		<title>By: Phil Osborn</title>
		<link>http://www.kurzweilai.net/lightest-material-in-the-world/comment-page-1#comment-26483</link>
		<dc:creator>Phil Osborn</dc:creator>
		<pubDate>Sat, 28 Jul 2012 23:32:55 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/?p=156817#comment-26483</guid>
		<description>There&#039;s also the space elevator to be considered.  Spacing vacuum float rings to 40,000 ft. or more could significantly reduce the load on the cable.</description>
		<content:encoded><![CDATA[<p>There&#8217;s also the space elevator to be considered.  Spacing vacuum float rings to 40,000 ft. or more could significantly reduce the load on the cable.</p>
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		<title>By: Bri</title>
		<link>http://www.kurzweilai.net/lightest-material-in-the-world/comment-page-1#comment-26458</link>
		<dc:creator>Bri</dc:creator>
		<pubDate>Sat, 28 Jul 2012 19:06:19 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/?p=156817#comment-26458</guid>
		<description>The more I think. Ahem, hydrogen gas has the fewest nuclear component. The gas is very diffuse. The atoms are being repelled by thier elactron shells. I don&#039;t know the weight difference , between a vacuum and hydrogen gas, but I bet the hydrogen is not so heavy. Very few, very light atoms. There are probably many more atoms of carbon per square inch in this &quot; light&quot; material. To lift a single man up with a hydrogen ballon, would require a balloon of a least ten to fourteen feet in diameter. I used to joke to my clients, when something needed to be done way up high, that I used Helium balloons.</description>
		<content:encoded><![CDATA[<p>The more I think. Ahem, hydrogen gas has the fewest nuclear component. The gas is very diffuse. The atoms are being repelled by thier elactron shells. I don&#8217;t know the weight difference , between a vacuum and hydrogen gas, but I bet the hydrogen is not so heavy. Very few, very light atoms. There are probably many more atoms of carbon per square inch in this &#8221; light&#8221; material. To lift a single man up with a hydrogen ballon, would require a balloon of a least ten to fourteen feet in diameter. I used to joke to my clients, when something needed to be done way up high, that I used Helium balloons.</p>
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		<title>By: Bri</title>
		<link>http://www.kurzweilai.net/lightest-material-in-the-world/comment-page-1#comment-26455</link>
		<dc:creator>Bri</dc:creator>
		<pubDate>Sat, 28 Jul 2012 18:37:27 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/?p=156817#comment-26455</guid>
		<description>If it&#039;s so compressible, how can it resist the compression of the atmosphere? I use vacuum bags to apply veneers. At sea level the force is like one hundred pounds per square inch( could look it up on Wikki, but why bother, very rarely use Wiki). Still would need a very large ballon to do anything useful.</description>
		<content:encoded><![CDATA[<p>If it&#8217;s so compressible, how can it resist the compression of the atmosphere? I use vacuum bags to apply veneers. At sea level the force is like one hundred pounds per square inch( could look it up on Wikki, but why bother, very rarely use Wiki). Still would need a very large ballon to do anything useful.</p>
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		<title>By: Chrispium</title>
		<link>http://www.kurzweilai.net/lightest-material-in-the-world/comment-page-1#comment-26286</link>
		<dc:creator>Chrispium</dc:creator>
		<pubDate>Fri, 27 Jul 2012 14:25:16 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/?p=156817#comment-26286</guid>
		<description>Should get this link http://en.wikipedia.org/wiki/Vacuum_airship to the developers of this material. /hint editor (carries more weight if you do it).</description>
		<content:encoded><![CDATA[<p>Should get this link <a href="http://en.wikipedia.org/wiki/Vacuum_airship" rel="nofollow">http://en.wikipedia.org/wiki/Vacuum_airship</a> to the developers of this material. /hint editor (carries more weight if you do it).</p>
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		<title>By: Phil Osborn</title>
		<link>http://www.kurzweilai.net/lightest-material-in-the-world/comment-page-1#comment-26137</link>
		<dc:creator>Phil Osborn</dc:creator>
		<pubDate>Fri, 27 Jul 2012 03:40:08 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/?p=156817#comment-26137</guid>
		<description>Might be the breakthrough needed to do a vacuum dirigable, something I&#039;ve had my heart set on for decades...</description>
		<content:encoded><![CDATA[<p>Might be the breakthrough needed to do a vacuum dirigable, something I&#8217;ve had my heart set on for decades&#8230;</p>
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		<title>By: Ralph Dratman</title>
		<link>http://www.kurzweilai.net/lightest-material-in-the-world/comment-page-1#comment-26119</link>
		<dc:creator>Ralph Dratman</dc:creator>
		<pubDate>Fri, 27 Jul 2012 00:37:14 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/?p=156817#comment-26119</guid>
		<description>True, of course. But humans have also been expressing pessimism about the future for those very same hundreds of thousands of years. Meanwhile, the young are always optimistic, simply because they don&#039;t know any better. Young person = optimistic fool = cannon fodder OR creative genius. That is our human world: an incomprehensible mixture of good, bad and unclassifiable.</description>
		<content:encoded><![CDATA[<p>True, of course. But humans have also been expressing pessimism about the future for those very same hundreds of thousands of years. Meanwhile, the young are always optimistic, simply because they don&#8217;t know any better. Young person = optimistic fool = cannon fodder OR creative genius. That is our human world: an incomprehensible mixture of good, bad and unclassifiable.</p>
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		<title>By: Kevin</title>
		<link>http://www.kurzweilai.net/lightest-material-in-the-world/comment-page-1#comment-26056</link>
		<dc:creator>Kevin</dc:creator>
		<pubDate>Thu, 26 Jul 2012 16:55:54 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/?p=156817#comment-26056</guid>
		<description>As opposed to thinking of how this could kill everyone, I tend to think of the prefab structures that could be transported in a poor person&#039;s backpack and opened up. Amazing to me how negative so many people are as if that is a noble and cool view to express. In a space dedicated to brilliance and a better future, like this, it is more fun to pretend that things just might work out like they have for humans for hundreds of thousands of years, and our instinct for survival will allow us to carry on.</description>
		<content:encoded><![CDATA[<p>As opposed to thinking of how this could kill everyone, I tend to think of the prefab structures that could be transported in a poor person&#8217;s backpack and opened up. Amazing to me how negative so many people are as if that is a noble and cool view to express. In a space dedicated to brilliance and a better future, like this, it is more fun to pretend that things just might work out like they have for humans for hundreds of thousands of years, and our instinct for survival will allow us to carry on.</p>
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		<title>By: SpottedMarley</title>
		<link>http://www.kurzweilai.net/lightest-material-in-the-world/comment-page-1#comment-26022</link>
		<dc:creator>SpottedMarley</dc:creator>
		<pubDate>Thu, 26 Jul 2012 14:48:39 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/?p=156817#comment-26022</guid>
		<description>You speak as though we aren&#039;t already completely doomed anyways. By one means or another, we are toast my friend. Best warm up to the idea.</description>
		<content:encoded><![CDATA[<p>You speak as though we aren&#8217;t already completely doomed anyways. By one means or another, we are toast my friend. Best warm up to the idea.</p>
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		<title>By: Daniel</title>
		<link>http://www.kurzweilai.net/lightest-material-in-the-world/comment-page-1#comment-25998</link>
		<dc:creator>Daniel</dc:creator>
		<pubDate>Thu, 26 Jul 2012 13:27:10 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/?p=156817#comment-25998</guid>
		<description>Well, now, that is truly terrifying.  Consider the weapons that could be made from this that could kill millions.  Oh, that would be by governments so I guess that&#039;s ok.</description>
		<content:encoded><![CDATA[<p>Well, now, that is truly terrifying.  Consider the weapons that could be made from this that could kill millions.  Oh, that would be by governments so I guess that&#8217;s ok.</p>
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		<title>By: GatorALLin</title>
		<link>http://www.kurzweilai.net/lightest-material-in-the-world/comment-page-1#comment-25992</link>
		<dc:creator>GatorALLin</dc:creator>
		<pubDate>Thu, 26 Jul 2012 12:53:17 +0000</pubDate>
		<guid isPermaLink="false">http://www.kurzweilai.net/?p=156817#comment-25992</guid>
		<description>It looks like frozen smoke....</description>
		<content:encoded><![CDATA[<p>It looks like frozen smoke&#8230;.</p>
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