Now here’s a nifty idea. Many folks insist that toothbrushes should be sterilized, after all, if you don’t, your toothbrush could become a breeding ground for all sorts of nasty bacteria. This concept toothbrush will harness the kinetic energy that we generate through the activity of us brushing out teeth. If you brush for 3 minutes, you should have made about 700 strokes, enough to power the UV LED in the tooth brush to zap the bacteria in the toothbrush.
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