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. After tinkering with a few designs, she found that she could mount the Peltier tiles on a hollow aluminum tube that had been inserted into a PVC pipe.
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Teen's Bright Idea: Flashlight Powered by Body Heat
Posted by: Rachelle Dragani July 3, 2013 05:00 AMA 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. After tinkering with a few designs, she found that she could mount the Peltier tiles on a hollow aluminum tube that had been inserted into a PVC pipe.