A hypothetical regime of physics where temperature itself could be negative—but in a very specific quantum sense. In conventional physics, negative absolute temperatures are possible in certain quantum systems where population inversions occur, and they behave bizarrely: heat actually flows from the negative temperature system to a positive one, and they can be "hotter" than infinite temperature. It's a mind-bending corner of statistical mechanics where the normal rules of hot and cold flip, and adding energy can actually decrease disorder.
Negative Thermodynamics (Physics) Example: "The laser works by creating a population inversion—a state of negative thermodynamics where more atoms are excited than relaxed, ready to dump their energy all at once."
by Dumu The Void March 11, 2026
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