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	<title>Comments on: The Periodic Table of Videos</title>
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	<link>http://raphael.doxos.com/2008/07/15/the-periodic-table-of-videos/</link>
	<description>We are Flesh-and-Spirit on a journey to Integral Unity with God.</description>
	<pubDate>Wed, 07 Jan 2009 22:36:34 +0000</pubDate>
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		<title>By: Peter Gardner</title>
		<link>http://raphael.doxos.com/2008/07/15/the-periodic-table-of-videos/comment-page-1/#comment-6101</link>
		<dc:creator>Peter Gardner</dc:creator>
		<pubDate>Wed, 16 Jul 2008 13:26:12 +0000</pubDate>
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		<description>I think that would work; the only problem would be that it would go flat fairly quickly.

It would make a bigger difference than you might expect, too; weight on the rim of the wheel counts for more, since it gives the wheel a higher moment of inertia, according to the square of the wheel radius.

Also, there's not much on a bicycle that can ignite hydrogen, so that's probably safe enough.</description>
		<content:encoded><![CDATA[<p>I think that would work; the only problem would be that it would go flat fairly quickly.</p>
<p>It would make a bigger difference than you might expect, too; weight on the rim of the wheel counts for more, since it gives the wheel a higher moment of inertia, according to the square of the wheel radius.</p>
<p>Also, there&#8217;s not much on a bicycle that can ignite hydrogen, so that&#8217;s probably safe enough.</p>
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		<title>By: Fr. Greg</title>
		<link>http://raphael.doxos.com/2008/07/15/the-periodic-table-of-videos/comment-page-1/#comment-6097</link>
		<dc:creator>Fr. Greg</dc:creator>
		<pubDate>Wed, 16 Jul 2008 04:16:03 +0000</pubDate>
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		<description>I have always though that some enterprising time-trial competitive cyclist -the kind that shaves arm hair to gain .1 of second edge in a time trial - should inflate his bike's tires with helium, since it is lighter than air.  Hydrogen would be even better, of course, but that might have some unfortunate side effects.</description>
		<content:encoded><![CDATA[<p>I have always though that some enterprising time-trial competitive cyclist -the kind that shaves arm hair to gain .1 of second edge in a time trial - should inflate his bike&#8217;s tires with helium, since it is lighter than air.  Hydrogen would be even better, of course, but that might have some unfortunate side effects.</p>
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