15-Year-Old Girl Invents Flashlight Powered by the Heat of Your Hand
Delicious Reddit

JUNE 30, 2013

A 15-year-old girl in Canada has invented a flashlight that only needs the warmth of the hand to turn on.
Ann Makosinski, a high school junior in Victoria, British Columbia, was trying to think of a way of harvesting untapped energy when she was inspired to make the flashlight.