The hypothetical physics of heat, energy, and work operating in reverse temporal direction. In retrothermodynamics, heat would flow spontaneously from cold objects to hot ones, friction would accelerate objects instead of slowing them down, and engines would run by absorbing exhaust fumes and fuel while outputting work and air. It's what you'd get if you took a video of normal thermodynamic processes and played it backward—a universe where every energy transaction is perfectly reversed, and the arrow of thermal time points the other way.
Retrothermodynamics (Physics) Example: "The movie scene where a character's breath unfreezes and returns to their mouth is a charming moment of cinematic retrothermodynamics."
by Dumu The Void March 11, 2026
Get the Retrothermodynamics (Physics) mug.Describing an event or action that actually happened in the past, but is now being retold or reconsidered as if it were a funny or absurd hypothetical scenario for comedic or philosophical effect.
“I actually left work early when my boss said ‘have a great day,’ and now I’m retrothetically laughing about how I just radically complied.”
by Attaboid March 17, 2026
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