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 ...

Conservation of energy isn’t just a good idea: It is the law. In particular, it is the first law of thermodynamics. But, apparently, a lot of people don’t really get that because history is replete ...

Perpetual motion machines are impossible, right? They violate the laws of thermodynamics. And yet people have been trying to engineer one for centuries. YouTuber gzumwalt posted a video of what looks ...

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 ...

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 ...