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Question of the Week, from the Naked Scientists
VetenskapLife Science

Why does an electric toothbrush affect my vision?

4 min•4 juli 2010
When brushing one's dental equipment with an electric toothbrush one may notice a slight wobbling of the television images. Why does this happen? Plus, we ask why the Americas hadn't developed the same kinds of technologies as the Old World at the time of European contact. Like this podcast? Please help us by supporting the Naked Scientists

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