We are smack-dab in the middle of our Energy Harvesting Challenge, and [wasimashu] might have this one in the palm of his hand. Imagine a compact flashlight that doesn’t need batteries or bulbs. You’d ...

Ann Makosinski, a 15-year-old high school student from British Columbia, has developed a thermoelectrically based flashlight that can be powered by the warmth of one’s hand. Ann Makosinski holding her ...

Keep your family safe in an emergency situation with a hand-crank flashlight that provides light without requiring batteries, solar panels, or electricity.

While your smartphone’s flashlight technically does the job—and is always within reach—its performance pales in comparison to a dedicated flashlight. A pocket flashlight combines the best of both ...

A 15-year-old girl in Canada has invented a flashlight that produces light just by using the warmth of your hand. A 15-year-old girl in Canada has invented a flashlight that produces light just by ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** For most tasks, SureFire’s ...

I was looking at one of these:<BR>http://www.thinkgeek.com/gadgets/lights/5a9f/<BR><BR>As a gift or the larger hand crank one.<BR>http://www.thinkgeek.com/gadgets ...