451
This post
(lemmy.world)
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
this post was submitted on 15 Nov 2023
451 points (93.0% liked)
Memes
45459 readers
1459 users here now
Rules:
- Be civil and nice.
- Try not to excessively repost, as a rule of thumb, wait at least 2 months to do it if you have to.
founded 5 years ago
MODERATORS
Negative absolute temperature is a thing. Lasers exhibit negative temperatures when active, i.e. the lasing medium has a negative temperature expressed in Kelvin. Adding more energy doesn't increase its entropy, it just turns into more laser light. Any such system with bounded entropy can have a negative thermodynamic temperature.
I had a suspicion there was going to be a response like this. Never heard of it but sounds very interesting.
I doubt I'll properly understand it without a good YouTube video. I shall embark on a search