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	<title>Rough Equivalents</title>
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	<link>http://www.rough-equivalents.com</link>
	<description>Making Numbers Fun</description>
	<pubDate>Tue, 10 Jun 2008 22:06:21 +0000</pubDate>
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		<title>A Letter About Bidis</title>
		<link>http://www.rough-equivalents.com/2008/06/a-letter-about-bidis/</link>
		<comments>http://www.rough-equivalents.com/2008/06/a-letter-about-bidis/#comments</comments>
		<pubDate>Tue, 10 Jun 2008 22:02:54 +0000</pubDate>
		<dc:creator>Greg Bulmash</dc:creator>
		
		<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.rough-equivalents.com/?p=89</guid>
		<description><![CDATA[So, I know I said no posts this week to save my eyes, but this is going to be a short one.
Reader Joel dropped me a note asking my opinion about his math on a Metafilter post about bidis.  In it, he points out a page that makes some incredible claims about the worldwide [...]]]></description>
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		<item>
		<title>Eye Migraines Suck</title>
		<link>http://www.rough-equivalents.com/2008/06/migraines-suck/</link>
		<comments>http://www.rough-equivalents.com/2008/06/migraines-suck/#comments</comments>
		<pubDate>Fri, 06 Jun 2008 03:40:37 +0000</pubDate>
		<dc:creator>Greg Bulmash</dc:creator>
		
		<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.rough-equivalents.com/?p=87</guid>
		<description><![CDATA[I'm not normally afflicted with migraines.  That's why when I got one at work earlier this week, accompanied by strobing glare encroaching from the periphery of my vision, I thought it was eye strain.  I'd been sitting in an office with overhead fluorescents on a dimmer switch that had been turned down, and [...]]]></description>
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		<item>
		<title>These Are NOT Equivalent</title>
		<link>http://www.rough-equivalents.com/2008/06/these-are-not-equivalent/</link>
		<comments>http://www.rough-equivalents.com/2008/06/these-are-not-equivalent/#comments</comments>
		<pubDate>Wed, 04 Jun 2008 07:21:35 +0000</pubDate>
		<dc:creator>Greg Bulmash</dc:creator>
		
		<category><![CDATA[Misc.]]></category>

		<guid isPermaLink="false">http://www.rough-equivalents.com/?p=39</guid>
		<description><![CDATA[Now that I'm into my third calendar month of publishing this, I thought I'd shake things up a little bit and explore some things that are not equivalent.  And if you're wondering why former Vice President of the United States Dan Quayle is headlining today's installment, read on.
The odd thing is that this photo [...]]]></description>
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		<item>
		<title>Alas, Poor Yorick...</title>
		<link>http://www.rough-equivalents.com/2008/06/alas-poor-yorick/</link>
		<comments>http://www.rough-equivalents.com/2008/06/alas-poor-yorick/#comments</comments>
		<pubDate>Mon, 02 Jun 2008 07:26:56 +0000</pubDate>
		<dc:creator>Greg Bulmash</dc:creator>
		
		<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.rough-equivalents.com/?p=83</guid>
		<description><![CDATA[Friday's column, where we figured out the weight of the air inside an airhead, made me think on the topic of the volume of a skull and what else could fit in there besides 17 featherweights of air.  Fourteen-hundred cubic centimeters of volume in a human skull, 1.4 liters, 47.34 fuid ounces, 15.89% of [...]]]></description>
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		</item>
		<item>
		<title>Bearable Lightness</title>
		<link>http://www.rough-equivalents.com/2008/05/bearable-lightness/</link>
		<comments>http://www.rough-equivalents.com/2008/05/bearable-lightness/#comments</comments>
		<pubDate>Fri, 30 May 2008 07:25:22 +0000</pubDate>
		<dc:creator>Greg Bulmash</dc:creator>
		
		<category><![CDATA[Volume]]></category>

		<category><![CDATA[Weight/Mass]]></category>

		<guid isPermaLink="false">http://www.rough-equivalents.com/?p=80</guid>
		<description><![CDATA[In past posts, I've talked about how heavy things are, but what about how light they are?
Over the Memorial Day Weekend, my mom and stepdad visited to celebrate her birthday, and as I was describing this little experiment in blogging to her, she suggested I use "light as a feather" as a theme.  I [...]]]></description>
		<wfw:commentRss>http://www.rough-equivalents.com/2008/05/bearable-lightness/feed/</wfw:commentRss>
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		<item>
		<title>Do Hybrids Equal Savings?</title>
		<link>http://www.rough-equivalents.com/2008/05/do-hybrids-equal-savings/</link>
		<comments>http://www.rough-equivalents.com/2008/05/do-hybrids-equal-savings/#comments</comments>
		<pubDate>Wed, 28 May 2008 07:14:49 +0000</pubDate>
		<dc:creator>Greg Bulmash</dc:creator>
		
		<category><![CDATA[Distance]]></category>

		<category><![CDATA[Monetary Value]]></category>

		<guid isPermaLink="false">http://www.rough-equivalents.com/?p=78</guid>
		<description><![CDATA[With gas prices going through the roof, many people have contemplated buying a new car, particularly a gas/electric hybrid, to drastically improve their gas mileage and lower their gas bill.  But are the savings people are getting really all they're cracked up to be?
Don't get me wrong.  I'm all for saving the environment [...]]]></description>
		<wfw:commentRss>http://www.rough-equivalents.com/2008/05/do-hybrids-equal-savings/feed/</wfw:commentRss>
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		<title>Dancing On The Head Of a Pin</title>
		<link>http://www.rough-equivalents.com/2008/05/dancing-on-the-head-of-a-pin/</link>
		<comments>http://www.rough-equivalents.com/2008/05/dancing-on-the-head-of-a-pin/#comments</comments>
		<pubDate>Fri, 23 May 2008 07:15:03 +0000</pubDate>
		<dc:creator>Greg Bulmash</dc:creator>
		
		<category><![CDATA[Area]]></category>

		<category><![CDATA[Distance]]></category>

		<guid isPermaLink="false">http://www.rough-equivalents.com/?p=71</guid>
		<description><![CDATA[Previously I discussed a letter from reader Scott about parts per billion, and we had plenty of fun discovering that the allowable level of lead in drinking water was equal to about a shot glass in an olympic size pool.  But reader Scott had brought up parts per billion as part of a larger [...]]]></description>
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		<item>
		<title>Fred's Measuring Cup</title>
		<link>http://www.rough-equivalents.com/2008/05/freds-measuring-cup/</link>
		<comments>http://www.rough-equivalents.com/2008/05/freds-measuring-cup/#comments</comments>
		<pubDate>Wed, 21 May 2008 07:15:08 +0000</pubDate>
		<dc:creator>Greg Bulmash</dc:creator>
		
		<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.rough-equivalents.com/?p=75</guid>
		<description><![CDATA[Over the past few days, friends have been asking me "have you seen this measuring cup?"  They were all abuzz about this new gag measuring cup that featured markings on it for things like "20,000 grains of rice" or "volume of half a human brain."  I knew I had to feature it.  [...]]]></description>
		<wfw:commentRss>http://www.rough-equivalents.com/2008/05/freds-measuring-cup/feed/</wfw:commentRss>
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		<item>
		<title>Parts Per Billion</title>
		<link>http://www.rough-equivalents.com/2008/05/parts-per-billion/</link>
		<comments>http://www.rough-equivalents.com/2008/05/parts-per-billion/#comments</comments>
		<pubDate>Mon, 19 May 2008 07:15:44 +0000</pubDate>
		<dc:creator>Greg Bulmash</dc:creator>
		
		<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.rough-equivalents.com/?p=69</guid>
		<description><![CDATA[In the "Molecules of Caffeine" post, I calculated the number of caffeine molecules in a can of Mountain Dew.  This lead reader Scott to e-mail me about the concept of parts per billion.  For example, the Environmental Protection Agency has set their "action level" for lead in drinking water (the level at which [...]]]></description>
		<wfw:commentRss>http://www.rough-equivalents.com/2008/05/parts-per-billion/feed/</wfw:commentRss>
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		<item>
		<title>Introducing the Calculators Page</title>
		<link>http://www.rough-equivalents.com/2008/05/introducing-the-calculators-page/</link>
		<comments>http://www.rough-equivalents.com/2008/05/introducing-the-calculators-page/#comments</comments>
		<pubDate>Fri, 16 May 2008 08:45:39 +0000</pubDate>
		<dc:creator>Greg Bulmash</dc:creator>
		
		<category><![CDATA[Calculators]]></category>

		<category><![CDATA[Distance]]></category>

		<guid isPermaLink="false">http://www.rough-equivalents.com/?p=66</guid>
		<description><![CDATA[

Check out that snazzy new calculator to your left, baby.  Sleek, stylish, and oh-so embeddable.  Embeddable?  Yes, I've set it up on the new calculators page so there's a small block of code underneath each calculator, easy to copy and paste into your blog or web site and get the calculator to [...]]]></description>
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