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Teen's Bright Idea: Flashlight Powered by Body Heat

2013-07-03 14:00:00| TechNewsWorld

A flashlight that ditches the batteries in favor of body heat is one of the finalists in Google's 2013 Science Fair. Ann Makosinski, 15-year-old Canadian student, created the device, which harvests energy from the human hand to power itself. Makosinski created a prototype using Petier tiles she bought on eBay, which produce electricity when one side is heated and the other cool.

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