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 ...
Crank, 憧れ Torch Led Dynamo1pcs-green Emergency Powered Hand Guoxing Flashlight Solar Hand Cranking Solar Powered Rechargeable Flashlight Emergency Led Flashlight Hand Cranking Solar Powered ...
This highly rated Emergency Solar Hand Crank Weather Radio with AM/FM/NOAA, LED Flashlight and 1000mAh Power Bank is on sale for $13.99 at Amazon right now! This emergency radio is compact, weighs ...
A thermoelectric generator uses heat to make electricity. One can be found in gadgets like the PowerPot, which lets you cook over a campfire and charge your phone at the same time. But amazingly, ...
Batteries die, and when your phone has a WiMAX antenna plus dual cameras and a gigantic screen, well, those batteries tend to meet their maker sooner than later. Enter hacker extraordinaire Ben Heck ...
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 ...
Need something to keep you busy this weekend? We’ve got you covered. The Weekend Workshop is our weekly column in which we showcase a badass DIY project that you can complete with minimal skills and ...
January 25, 2011 Add as a preferred source on Google Add as a preferred source on Google Click to viewThose hand-crank LED flashlights are pretty handy, but I find myself needed some extra juice in my ...
This highly rated Emergency Solar Hand Crank Weather Radio with AM/FM/NOAA, LED Flashlight and 1000mAh Power Bank is on sale for $15.99 at Amazon right now! This emergency radio is compact, weighs ...
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 ...