[HN Gopher] Is Perpetual Motion Possible at the Quantum Level?
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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.
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