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	<title>KwartzLab Makerspace &#187; good find</title>
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	<itunes:summary>Regular discussions with hackers, makers and artists at the Kwartzlab Makerspace. We talk about what projects people are working on, what events are coming up and how you can get involved.</itunes:summary>
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	<itunes:subtitle>A hackerspace radio show</itunes:subtitle>
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		<item>
		<title>Fantastic Fresnel Find</title>
		<link>http://www.kwartzlab.ca/2010/01/fantastic-fresnel-find/</link>
		<comments>http://www.kwartzlab.ca/2010/01/fantastic-fresnel-find/#comments</comments>
		<pubDate>Thu, 14 Jan 2010 07:17:23 +0000</pubDate>
		<dc:creator>DW</dc:creator>
				<category><![CDATA[Member Blogs]]></category>
		<category><![CDATA[good find]]></category>

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		<description><![CDATA[[flickr]4272803337[/flickr]
&#160;
A funny thing happened <strong>on the way home from the board meeting</strong> tonight...
&#160;
Gus asked for a ride home, and then he wanted to get something to eat so we were heading to Wendy's, but I took a completely uncharacteristic turn up Waterloo Street and as I was driving, trying to figure out how to get to Weber, Gus shouted "Stop the car!  <strong>Stop the car! Rear-projection TV!</strong>"</p>

<p>More after the break...
&#160;
<!--more-->
[flickr]4273546428[/flickr]
&#160;
The back-story is this: in November last year my brother, Dave, called me to say there was a <strong>free and broken rear-projection Sony TV</strong> in the PennySaver and did I want it to build a <a href="http://www.flickr.com/photos/14824554@N05/3590815715/">penny-melting DeathRay</a> like some <a href="http://makerfaire.com/pub/e/2356">guys we met</a> at Maker Faire.  I got a hold of the owner, but it turned out <strong>she was in Listowel</strong>.  I didn't think I needed a DeathRay badly enough to do 1.5 hours of driving, so I declined.  When I mentioned it to Gus he said I was nuts and that we should go pick it up, but I said another one would come our way.  And <strong>that's just what happened</strong> tonight.
&#160;
At the side of the road, in the garbage, was a TV with a perfectly-intact fresnel lens.  This is cool and useful because you can use this just <strong>like a magnifying glass</strong> to focus the sun's rays to a very very hot spot leading to 10 kinds of fun.  But how to get the TV apart?  I had a reciprocating saw and extension cord in my trunk but we couldn't find any power outlet in front of this building.  Fortunately I also had some 1/4"x2" aluminum angle that we used as a pry bar to crack that TV open like a walnut.  We also busted out the 3 projection guns in the base because Gus wants the optics.
&#160;
<strong>Oh, Happy Day!</strong>
&#160;
Happy making,
DW</p>
]]></description>
				<content:encoded><![CDATA[<p><a href="http://www.flickr.com/photos/onethingafteranother/4272803337/" title="Fresnel_find_2010-01-13 007"><img src="http://farm5.static.flickr.com/4067/4272803337_c4871037be.jpg" alt="Fresnel_find_2010-01-13 007" title="Fresnel_find_2010-01-13 007" class="flickr-photo-img" /></a></p>
<p>A funny thing happened <strong>on the way home from the board meeting</strong> tonight&#8230;</p>
<p>Gus asked for a ride home, and then he wanted to get something to eat so we were heading to Wendy&#8217;s, but I took a completely uncharacteristic turn up Waterloo Street and as I was driving, trying to figure out how to get to Weber, Gus shouted &#8220;Stop the car!  <strong>Stop the car! Rear-projection TV!</strong>&#8220;</p>
<p>More after the break&#8230;</p>
<p><span id="more-255"></span><br />
<p><a href="http://www.flickr.com/photos/onethingafteranother/4273546428/" title="Fresnel_find_2010-01-13 001"><img src="http://farm5.static.flickr.com/4028/4273546428_7820eef4ee.jpg" alt="Fresnel_find_2010-01-13 001" title="Fresnel_find_2010-01-13 001" class="flickr-photo-img" /></a></p></p>
<p>The back-story is this: in November last year my brother, Dave, called me to say there was a <strong>free and broken rear-projection Sony TV</strong> in the PennySaver and did I want it to build a <a href="http://www.flickr.com/photos/14824554@N05/3590815715/">penny-melting DeathRay</a> like some <a href="http://makerfaire.com/pub/e/2356">guys we met</a> at Maker Faire.  I got a hold of the owner, but it turned out <strong>she was in Listowel</strong>.  I didn&#8217;t think I needed a DeathRay badly enough to do 1.5 hours of driving, so I declined.  When I mentioned it to Gus he said I was nuts and that we should go pick it up, but I said another one would come our way.  And <strong>that&#8217;s just what happened</strong> tonight.</p>
<p>At the side of the road, in the garbage, was a TV with a perfectly-intact fresnel lens.  This is cool and useful because you can use this just <strong>like a magnifying glass</strong> to focus the sun&#8217;s rays to a very very hot spot leading to 10 kinds of fun.  But how to get the TV apart?  I had a reciprocating saw and extension cord in my trunk but we couldn&#8217;t find any power outlet in front of this building.  Fortunately I also had some 1/4&#8243;x2&#8243; aluminum angle that we used as a pry bar to crack that TV open like a walnut.  We also busted out the 3 projection guns in the base because Gus wants the optics.</p>
<p><strong>Oh, Happy Day!</strong></p>
<p>Happy making,<br />
DW</p>
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