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 ...
Why AI is taking on impossible challenges. How a perpetual motion machine can power an AI. Why we have to put an explicit explanation about an April 1st article so that the search engines don’t ding ...
If any astute Hackaday reader saw [dongvua90]’s Newton’s cradle go on without human intervention all day long, they’d probably suspect the truth: there’s a battery and a magnet involved. But it is a ...
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