Time Travel With Your Fridge?

Modest temperature reversals have not taken us back in time at all, says guest commentator Jimena Canales.

If the history of thermodynamics can teach us anything, it is that modest entropy reversals have not taken us back in time at all. But it is more fun to think otherwise, says guest Jimena Canales.

(Image credit: Orlagh Murphy/Getty Images/Ikon Images)