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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Flexible perovskite device achieves optical logic emission for motion capture and stress sensing
A flexible perovskite light-emitting device integrating ester polymer crystallization enables optical logic signals under bending and stretching, paving the way for motion capture and intelligent ...
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