Half a croissant, on a plate, with a sign in front of it saying '50c'
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Thermo Electric Flashlight

 Use your body heat to provide illumination
 
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I love my new shakelight, but I'm wondering why no one has marketed a thermo electric flashlight... I'm no electronics whiz, but aren't the new generation of LEDs extremely lowpower? Surely my sweaty hands could provide as much illumination as a shakelight, without all the work...
—CMartin, Apr 07 2004

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       You ain't that hot, or you have to put ice cubes on the other side of the thermoelectric element to keep the temperature differential.
—kbecker, Apr 08 2004
   
      
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