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The top documents tagged [electronic toothbrushes]
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electronic toothbrushes
UNDERSTANDING WITRICITY Catherine Greene. What WiTricity isn’t Traditional Magnetic Induction Electronic tooth brushes Charging pads Transformers.
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GADGETS
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Pre-Plastic Era vs. Post Plastic Era. Pre-Plastic Era – The Toothbrush Dated back as far as 3500 BC The earliest know toothbrush was made by chewing on.
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Understanding WiTricity
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