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Powered by body heat, Lumen flashlight never needs batteries
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Ann Makosinski's new invention: A body-heat powered headlamp | CBC News
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Body Heat Powered Flashlight | Hackaday.io
Body Heat Powered Flashlight | Body heat, Body, Picture of body
Body Heat Powered Flashlight : 4 Steps - Instructables
Ann Makosinki Invents Body Heat-Powered Flashlight | Body heat, People, Old girl
The Human Heat Powered Flashlight - YouTube
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15-Year-Old Develops Flashlight Powered by Body Heat, Wins Top Prize in Google Science Fair
Thermopower and the Body Heat-Powered Flashlight | Let's Talk Science
