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15-year-old girl invents flashlight powered by the heat of y

 
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PostPosted: Sat Jun 29, 2013 2:54 pm    Post subject: 15-year-old girl invents flashlight powered by the heat of y Reply with quote
The flashlight she built employ an aluminum tube slipped inside of a PVC pipe. The pipe was cut away in a certain area so the person's hand would come into contact with the built-in Peltier tiles. The flashlight worked, but due to the temperature reliance of Peltier tiles, the flashlights worked better in colder temperatures (te...read more
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