Perpetual motion devices are either a gag, a scam, or as in the case of this particular toy that [Big Clive] bought on AliExpress, a rather fascinating demonstration of a contact-free inductive sensor ...
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Perpetual motion machine magnet motor
Thune makes bold prediction about Republicans' Senate chances as GOP pulls millions from key races Teacher injured in Oregon school attack says she had no chance to protect children New tropical storm ...
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