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A comment on 15-year-old girl invents flashlight powered by the heat of your hand. Parent comment

Re:15-year-old girl invents flashlight powered by the heat o... by vidarh on Sunday June 30, 2013 @09:41AM (#5965735)
I think what you are forgetting is that in doing so, you would be heating the room up again.

So to keep the temperature where you want it, you'd need to cool the room even more.

[ Parent | on HN ]
Re:15-year-old girl invents flashlight powered by the heat o... by tekromancr on Tuesday July 02, 2013 @02:43PM (#5979902)
Ahh, you are right.
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