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How to make a cheap and easy electric toothbrush from scratch

The next generation of toothbrushes from companies like Electrolux and Atom are here, and the products are quite promising.The first is a $5.99 “electronic component” version of the Electrolux Atom EZ Toothbrush.It looks like a regular toothbrush, with a tiny battery-powered motor powering it.The brush is made from a silicon electrolyte and has a rechargeable […]

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