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Physicists have controlled the quantum Mpemba effect on a chip for the first time: a more disordered system orders itself faster.
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A hot glass of water turns to ice faster than a cold one in the frost? That's the Mpemba effect. And in the micro-world, its quantum twin lets a system snap into order faster from greater disorder. For the first time, physicists played it like a switch: turning it on and off at will. In the future, this trick could help quantum computers get ready for work more quickly.
🎯 The Mpemba effect is named after Tanzanian Erasto Mpemba, who as a schoolboy noticed the unusual freezing of hot milk and stubbornly proved the effect's existence. Curiously, Aristotle had mentioned a similar phenomenon long before.
🎬 Sci-fi writers often describe how chaos births order, like self-assembling nanobots in Stanisław Lem's works. The quantum Mpemba effect feels like a lab illustration of how matter can surprise us with unexpected behavior.