NightStar Human-Powered Flashlight
by TreeHugger 
on 12. 8.04
NightStar LED flashlights are sturdy and bright, but even better, they use the Faraday principle of electro-magentic induction to generate electricity. By simply shaking the tube of the gadget for 20-30 seconds, you get up to 5 minutes of continuous light; the entire device is rated for more than 100,000 hours of use. (That's one hour/day for 271 years, according to the Web site.) With no bulbs and no batteries, these babies are good to go in an emergency, or any time you need them. Thanks for the tip, Brad H! $39.95 ::Shakelight.com [by MO]
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