15 year old invents torch powered by the human body

15 year old Ann Makosinski from Canada has invented a torch which is powered by the heat produced by the human hand.

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The torch uses peltier tiles which produce electricity when one side off the tile is hotter than the other. The unit cost for the complete torch is around £17 but in large scale manufacture would likely be a lot less. Ann points out that it took her most of a school year to develop because she had to keep up with lessons and home work – pretty humbling for the rest of the us.

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