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Solar Powered Toothbrush Could Make Toothpaste Obsolete Tue, 17 Aug 10, 7:00am
When we first saw this new gadget, we thought “Oh, a mechanical toothbrush powered by the sun.” But that isn’t what this is. Instead of using solar rays to charge itself up, the toothbrush uses them to catalyze...
Popular Related Tags: green products, eco design, shiken, green design, solar powered toothbrush, green gadgets, solar toothbrush, solar power, kunio komiyama, sustainable design
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