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 ...
A liquid metal droplet can generate rotation without gears, changing how motors may work in soft and flexible machines.
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Is This Perpetual Motion Device Real?
Putting a supposed perpetual motion device to the test to see if it truly works as claimed Escudero ousted; Sotto is new Senate president We Found A Secret Underground Bunker Under This House | Why ...
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