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	<title>The Sharp End of the Photon &#187; General Science</title>
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	<link>http://www.drflounder.com</link>
	<description>The science and practice of medical physics.</description>
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		<title>Lame link post</title>
		<link>http://www.drflounder.com/archives/323</link>
		<comments>http://www.drflounder.com/archives/323#comments</comments>
		<pubDate>Fri, 19 Jun 2009 17:30:16 +0000</pubDate>
		<dc:creator>flounder</dc:creator>
				<category><![CDATA[General Healthcare]]></category>
		<category><![CDATA[General Science]]></category>

		<guid isPermaLink="false">http://www.drflounder.com/?p=323</guid>
		<description><![CDATA[I&#8217;m still tied up with the annual calibration on one of our accelerators, but I can see the light at the end of the tunnel.  In the meantime, here are a few updates on the Molybdenum-99 shortage. 
The American College of Radiology has posted an article from Reuters describing some of the ways that [...]]]></description>
			<content:encoded><![CDATA[<p>I&#8217;m still tied up with the annual calibration on one of our accelerators, but I can see the light at the end of the tunnel.  In the meantime, here are a few updates on the Molybdenum-99 shortage. </p>
<p>The American College of Radiology has posted an <a href="http://acr.org/homepagecategories/news/healthcarenews/isotopesshortagerationingscans.aspx">article</a> from Reuters describing some of the ways that US hospitals are coping with the loss of needed medical isotopes.  Basically, it involves wait lists, rationing or switching to more expensive or less accurate tests.</p>
<p>The Society for Nuclear Medicine has put together a clearing house of information and recommendations <a href="http://www.snm.org/index.cfm?pageid=7739&amp;rpid=10">here</a>.</p>
<p>One person subscribes to the notion that the Chinese symbol for crisis is also the symbol for <a href="http://www.canada.com/Raitt+under+fire+calling+cancer+isotope+crisis+sexy/1681245/story.html">opportunity</a>.</p>
<p>In an unrelated story, <a href="http://scienceblogs.com/insolence/2009/06/homeopathic_plutonium.php">Orac</a> celebrates Homeopathy Awareness Week by pointing out a <a href="http://www.guardian.co.uk/education/2009/jun/16/improbable-research-plutonium">story</a> about a British store that sells homeopathic plutonium.</p>
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		<title>Paul, did you build an atomic bomb?</title>
		<link>http://www.drflounder.com/archives/27</link>
		<comments>http://www.drflounder.com/archives/27#comments</comments>
		<pubDate>Wed, 29 Apr 2009 12:00:50 +0000</pubDate>
		<dc:creator>flounder</dc:creator>
				<category><![CDATA[Fun]]></category>
		<category><![CDATA[General Science]]></category>

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		<description><![CDATA[Only a little one.

Boing Boing had this quite a while ago, but I just ran across it courtesy of Dubious Quality.  The A.C. Gilbert company sold educational science sets back in the 50&#8217;s, and one of their less successful offerings was the Gilbert U-238 Atomic Energy Lab sold from 1950-51.

This was the most elaborate [...]]]></description>
			<content:encoded><![CDATA[<p>Only a little one.</p>
<p><img class="size-medium wp-image-30 alignright" src="http://www.drflounder.com/wp-content/uploads/2009/04/johnlithgow_manhattanproject-206x300.jpg" alt="manhattanproject" width="124" height="180" /></p>
<p><a href="http://www.boingboing.net/2009/03/23/page-about-the-gilbe.html">Boing Boing</a> had this quite a while ago, but I just ran across it courtesy of <a href="http://dubiousquality.blogspot.com/">Dubious Quality</a>.  The A.C. Gilbert company sold educational science sets back in the 50&#8217;s, and one of their less successful offerings was the <a href="http://www.orau.org/ptp/collection/atomictoys/GilbertU238Lab.htm">Gilbert U-238 Atomic Energy Lab</a> sold from 1950-51.<br />
<span id="more-27"></span></p>
<blockquote><p>This was the most elaborate Atomic Energy educational set ever produced, but it was only only available from 1951 to 1952. Its relatively high price for the time ($50.00) and its sophistication were the explanation Gilbert gave for the set&#8217;s short lifespan. Today, it is so highly prized by collectors that a complete set can go for more than 100 times the original price.</p>
<p>The set came with four types of uranium ore, a beta-alpha source (Pb-210), a pure beta source (Ru-106), a gamma source (Zn-65?), a spinthariscope, a cloud chamber with its own short-lived alpha source (Po-210), an electroscope, a geiger counter, a manual, a comic book (Dagwood Splits the Atom) and a government manual &#8220;Prospecting for Uranium.&#8221;</p></blockquote>
<p>There is no spec given for source activity.  Hopefully it was really low.  It&#8217;s amazing looking back from a time where chemistry sets are considered too dangerous that kids were actually encouraged to play with radioactive materials.  I wonder, though, if part of the reason we&#8217;ve lost interest in science as a society is because we no longer encourage our kids to explore the &#8220;cool&#8221; things in science.  My father-in-law, also a physicist, nearly blew up his childhood home making homemade fireworks.  In my younger days I used my high school physics to optimize <a href="http://en.wikipedia.org/wiki/Spud_gun">potato cannon</a> design.  By relegating science to a sterile classroom lab, I think we&#8217;ve taken away some of its allure.</p>
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