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	<title>Dear Science &#187; Units</title>
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		<title>A Defense of Inches and Fluid Ounces</title>
		<link>http://dearscience.org/2008/05/15/a-defense-of-inches-and-fluid-ounces/</link>
		<comments>http://dearscience.org/2008/05/15/a-defense-of-inches-and-fluid-ounces/#comments</comments>
		<pubDate>Thu, 15 May 2008 23:24:51 +0000</pubDate>
		<dc:creator>Jonathan Golob</dc:creator>
				<category><![CDATA[Units]]></category>

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		<description><![CDATA[I know that as a scientist, I am expected to loathe all imperial measurements&#8211;inches, cups, quarts, gallons and Fahrenheit. Whining about the United States&#8217; failure to embrace the metric system? Default behavior for dim bulbs seeking to seem sophisticated. You know what? I don&#8217;t like metric measurements for many daily tasks. Why? Factors! The metric [...]]]></description>
			<content:encoded><![CDATA[<p><img src="http://dearscience.org/wp-content/uploads/2008/05/factorsaregood.png" alt="Factors are Good" width="100%" /></p>
<p>I know that as a scientist, I am expected to loathe all imperial measurements&#8211;inches, cups, quarts, gallons and Fahrenheit. Whining about the United States&#8217; failure to embrace the metric system? Default behavior for dim bulbs seeking to seem sophisticated.</p>
<p>You know what? I don&#8217;t like metric measurements for many daily tasks. Why? Factors!</p>
<p>The metric system is based around <a href="http://www.psinvention.com/zoetic/base10.htm">base 10</a> numbers. Why? We have ten fingers, so our counting system is based around base 10. This makes jumping between large differences in magnitude&#8211;say between the size of my desk and the size of the State&#8211;relatively easy. But, ten is a terrible, ugly, number. With only two factors, two and five, it&#8217;s a bitch to subdivide measures.</p>
<p>Why couldn&#8217;t we have twelve fingers? Twelve is a beautiful number&#8211;breaking down into factors of two, three, four and six. Ahhh! Grab a ruler and try to measure a third of foot. Easy! Try to measure a third of a meter. A total pain in the ass! Nothing like an infinite repeat (33.3333333333333333333333333333333333&#8230; cm) to ruin a perfectly pleasant day.</p>
<p>Imperial measures for volume are even more pleasant, residing in the world of base 2. Thirty-two fluid ounces to a quart&#8211;factors of two, four, eight and sixteen. I&#8217;m practically drooling. Ever try to adjust a recipe using measuring cups in milliliters? Ack!</p>
<p>For the lab where I&#8217;m routinely bouncing between microliters, milliliters and plain old liters, metric measures are great. Nifty even. For daily activities like cooking? Not so much so.</p>
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