[HN Gopher] Is Perpetual Motion Possible at the Quantum Level? ___________________________________________________________________ Is Perpetual Motion Possible at the Quantum Level? Author : digital55 Score : 10 points Date : 2023-05-03 20:41 UTC (2 hours ago) (HTM) web link (www.quantamagazine.org) (TXT) w3m dump (www.quantamagazine.org) | sitkack wrote: | What does thermoquantum-mechanics even mean? | mecsred wrote: | Mechanics of heat energy in a quantized system | mjfl wrote: | perpetual motion is kind of guaranteed by quantum mechanics | because absolute stillness is impossible. | nico wrote: | Isn't perpetual motion the basis of the whole universe? | | I mean, it hasn't stopped yet, right? And it technically does all | the work we do? | EA-3167 wrote: | As long as people understand this means perpetual motion which is | incapable of doing work is possible, because there's no | indication that you can somehow extract anything from this. | rightbyte wrote: | > So a time crystal is a phase of matter that spontaneously | breaks this translation symmetry in time, to show you some kind | of periodic, pulsing forever. | | Isn't this Maxwell's Demon? | kadoban wrote: | Only if it can choose arbitrary particles to let through a gate | or reject. | | Pulsing is just standing still, but with a bit extra flair. ___________________________________________________________________ (page generated 2023-05-03 23:00 UTC)