Freezing Light in Its Tracks

By harnessing quantum mechanics, researchers caused light to assume a crystal-like form.

By Neil Savage
Nov 26, 2014 12:00 AMMay 21, 2019 7:25 PM
crystal light
Researchers “froze” light by allowing photons to interact with each other and lose energy, like water molecules losing heat and freezing. Courtesy James Raftery and Andrew Houck/Princeton University

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