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An Atom Pushed to Its Speed Limit February 19, 2021• Physics 14, 26 Researchers have transported an atom between two locations in the shortest possible time, an achievement that has implications for quantum technologies. A. Alberti/Univ. of Bonn Keep it movin’. Researchers used an atomic conveyor belt to find the top speed at which atoms can be moved without disturbing their quantum states. A. Alberti/Univ. of Bonn Keep it movin’. Researchers used an atomic conveyor belt to find the top speed at which atoms can be moved without disturbing their quantum states.× Moving information from one place to another takes time, even in the quantum world. A team of researchers has now moved an atom in the shortest time possible, in a way that preserves the information that it contains [1]. Achieving the top overall speed turned out to require a series of accelerations and decelerations, not a constant cruise. The finding could lead to ways of opti ....