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Lasers

Lasers

Breakthrough in laser-cooling antihydrogen could reveal why matter dominates the universe

06 Apr 2021
Illustration of antihydrogen cooling
Slow motion: artistic illustration showing snippets of motion of an antihydrogen atom in the ALPHA magnetic trap, before and after laser cooling. The grey tracks are before cooling and the blue tracks are after cooling. (Courtesy: Chukman So/TRIUMF)
Antihydrogen atoms have been laser-cooled for the first time, paving the way for precision studies t

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