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December 19, 2020 11:34 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/JNObxuTCEhw/physicists-made-an-insanely-precise-clock-that-keeps-time-using-entanglement
Physicists Made an Insanely Precise Clock That Keeps Time Using Entanglement
fahrbot-bot quotes an article from Science Alert: Nothing keeps time like the beating heart of an atom. But even the crisp tick-tock of a vibrating nucleus is limited by uncertainties imposed by the laws of quantum mechanics. Several years ago, researchers from MIT and the University of Belgrade in Serbia proposed that quantum entanglement could push clocks beyond this blurry boundary. Now, we have a proof of concept in the form of an experiment. Physicists connected together a cloud of ytterbium-171 atoms with streams of photons reflected from a surrounding hall of mirrors and measured the timing of their tiny wiggles. Their results show that entangling atoms in this way could speed up the time-measuring process of atomic nuclei clocks, making them more precise than ever. In principle, a clock based on this new approach would lose just 100 milliseconds since the dawn of time itself.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/JNObxuTCEhw/physicists-made-an-insanely-precise-clock-that-keeps-time-using-entanglement
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