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The Special Flashlight Bulb Will Light Up Your Home With Or Without Power
This Bulb Flashlight will put you at ease of worrying if there's batteries in your flashlight. The reason? It's always charged. At $45 it's expensive even for LED bulbs. The reason for it? It's got a built in rechargeable battery that's always charg...
15 Year Builds A Flashlight, Powered By Body Heat (Video)
Do you remember what you were doing when you were 15? Probably nothing as groundbreaking as Ann Makosinski. She designed a flashlight that's powered entirely by body heat. The device, which she calls "hollow flashlight," uses Peltier tiles to tra...
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