A 'perpetual motion machine' that can continue working without applying energy from outside is impossible in the real world. However, figurines that look like perpetual motion machines are being sold ...

Perhaps the most persistent nonsense in physics: the perpetual motion machine. Bad ideas come and go in physics. But there’s one bit of nonsense that is perhaps more persistent than all others: the ...

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Almost as soon as humans created machines, they attempted to make "perpetual motion machines" that work on their own and that work forever. However, the devices never have and likely never will work ...