โ๏ธ World's First Quantum Heat Engine Runs Near Absolute Zero โ And It Actually Works
Researchers at Aalto University built the first cyclic quantum heat engine inside a superconducting circuit, converting heat near absolute zero into real, usable work. The tiny device uses a transmon qubit and a quantum refrigerator that acts as both its hot and cold source โ unlike classical engines, no separate reservoirs needed. Published in Nature Communications on July 13, 2026, the breakthrough could one day let quantum computers cool themselves from the inside, eliminating dozens of noisy, expensive microwave cables. Could this be the trick that finally makes large-scale quantum computing practical?
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