Using lasers and ultracold atoms, physicists have found a way to stop and start a pulse of light. This magic trick may one day be used to store data in a quantum computer.
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Cornell, E. Stopping light in its tracks. Nature 409, 461–462 (2001). https://doi.org/10.1038/35054152
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DOI: https://doi.org/10.1038/35054152
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