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People have known about magnets since ancient times, but the physics of ferromagnetism remains a mystery. Now a familiar puzzle is getting physicists closer to the answer.
The same codes needed to thwart errors in quantum computers may also give the fabric of space-time its intrinsic robustness.
Experiments suggest that exotic superconducting materials share a “strange metal” state characterized by a quantum speed limit that somehow acts as a fundamental organizing principle.
A new theory proposes that the quantum properties of an object extend into an “atmosphere” that surrounds the material.