Discussion in 'Preparedness & Survival' started by ATCclears, Jun 30, 2013.
Teenager invents flashlight powered by the warmth of your hand - NBC News.com
It's a canadian trick!!!
as one ages one's eyes become less light sensitive due to cataracts (or something like it) really bright lights are a Godsend, illuminating the dark spaces as well as blinding the bad guys. A tactical light may be the best investment you can make
Darned kids . . . Why isn't she playing video games or hanging out at the mall like teenagers are supposed to??
The only problem with this is it only works when there is a temperature differential. Thus your hand is warmer or cooler than the ambient air (yes, it does work both ways).
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