“TO VISUALIZE A TIME CRYSTAL, think of Earth looping back to its same location in space every 365¼ days; the planet repeats itself periodically as it moves through time. But a true time crystal is made not of a planet but of an object in its lowest energy state, like an electron stripped of all possible energy. “This object could endlessly loop in time, just as electrons in a superconductor could theoretically flow through space for all eternity.”
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