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MIT physicists have significantly amplified quantum changes in atomic vibrations, allowing them to exclude noise from the classical world. This advance may allow them to measure these atomic oscillations, and how they evolve over time, and ultimately hone the precision of atomic clocks and of quantum sensors for detecting dark matter or gravitational waves. ....
Physicists harness quantum "time reversal" to measure vibrating atoms scienceblog.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scienceblog.com Daily Mail and Mail on Sunday newspapers.
Physicists harness quantum "time reversal" to measure vibrating atoms miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
31 Dec 2020 10 - 9 - 8 - 7 - 6 - 5 - 4 - 3 - 2 - 1. Happy New Year! While the UK looks to Big Ben and the US have their Times Square pendulum, our New Year celebrations rely on pin point accurate timing. Now, a new kind of atomic clock, designed by MIT researchers, will enable even a half second off since the beginning of the Universe to seem like an unnecessary eternity. Entanglement-enhanced optical atomic clocks are no longer bound by the Standard Quantum Limit and will help enable physicists to decipher signals in the universe such as dark matter and gravitational waves. Atomic clocks are the most precise timekeepers in the world. These exquisite instruments use lasers to measure the vibrations of atoms, which oscillate at a constant frequency, like many microscopic pendulums swinging in sync. The best atomic clocks in the world keep time with such precision that, if they had been running since the beginning of the universe, they would only be off by about half ....
New type of atomic clock keeps time even more precisely December 19, 2020MIT The design, which uses entangled atoms, could help scientists detect dark matter and study gravity’s effect on time. Atomic clocks are the most precise timekeepers in the world. These exquisite instruments use lasers to measure the vibrations of atoms, which oscillate at a constant frequency, like many microscopic pendulums swinging in sync. The best atomic clocks in the world keep time with such precision that, if they had been running since the beginning of the universe, they would only be off by about half a second today. ....