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New type of atomic clock keeps time even more precisely


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. ....

Saisuke Akamatsu , Chi Shu , Simone Colombo , Yanhong Xiao , Boris Braverman , Albert Adiyatullin , Zeyang Li , Edwin Pedrozo , Vladan Vuletic , Henrique Mendez , Research Laboratory Of Electronics , Office Of Naval Research , National Science Foundation , Edwin Pedrozo Pe , Akio Kawasaki , Lester Wolfe Professor , Standard Quantum , Standard Quantum Limit , சி ஷு , சிமோன் கொழும்பு , போரிஸ் துணிச்சலான , ஆராய்ச்சி ஆய்வகம் ஆஃப் மின்னணுவியல் , அலுவலகம் ஆஃப் கடற்படை ஆராய்ச்சி , தேசிய அறிவியல் அடித்தளம் , லெஸ்டர் ஓநாய் ப்ரொஃபெஸர் , தரநிலை குவாண்டம் ,

A new kind of atomic clock possibly reveal new physics


A new kind of atomic clock possibly reveal new physics
The design, which uses entangled atoms, could help scientists detect dark matter and study gravity’s effect on time.
Atoms are trapped in an optical cavity composed of two mirrors. When a “squeezing” laser is set through the cavity, the atoms are entangled, and their frequency is measured with a second laser, as a platform for more precise atomic clocks.
Credits: MIT scientists
MIT scientists have designed a new kind of atomic clock that could answer some mind-boggling questions, such as what effect gravity might have on the passage of time and whether time itself changes as the universe ages. ....

Chi Shu , Edwin Pedrozo , Vladan Vuletic , Research Laboratory Of Electronics , Edwin Pedrozo Pe , Standard Quantum Limit , Lester Wolfe Professor , சி ஷு , ஆராய்ச்சி ஆய்வகம் ஆஃப் மின்னணுவியல் , தரநிலை குவாண்டம் அளவு , லெஸ்டர் ஓநாய் ப்ரொஃபெஸர் ,

Квантово-запутанные атомные часы оказались жутко точными

Квантово-запутанные атомные часы оказались жутко точными
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United States , Chi Shu , ஒன்றுபட்டது மாநிலங்களில் , சி ஷு ,

Atomic clock: new design will be only less than a tenth of a second out after 14 BILLION years


If left to run for some 14 billion years roughly the current age of the universe a new type of atomic clock could keep accurate time to within a tenth of a second.
The design by US experts makes use of a bizarre phenomenon called quantum entanglements, in which particles become inextricably linked.
This entanglement, the researchers explained, helps reduce the uncertainty involved in measuring the oscillation of atoms used by atomic clocks to keep time.
The clock could be used to help reveal the elusive dark matter thought to make up more than three-quarters of the universe and to study gravity s effect on time. ....

Chi Shu , Simone Colombo , Edwin Pedrozo , Vladan Vuletic , European Space Agency , Massachusetts Institute Of Technology , Edwin Pedrozo Pe , Massachusetts Institute , Professor Vuletic , சி ஷு , சிமோன் கொழும்பு , மாசசூசெட்ஸ் நிறுவனம் ஆஃப் தொழில்நுட்பம் , மாசசூசெட்ஸ் நிறுவனம் ,

New Atomic Clock Keeps Time Even More Precisely


The design, which uses atoms entangled at the quantum level, could also allow scientists to detect dark matter and study gravity’s effect on time.
(CN) Researchers announced the creation of a new type of superaccurate atomic clock that could be capable of measuring undiscovered cosmic phenomena like dark matter and the effect gravity can have on time itself.
Humans throughout history have relied on natural occurrences and manmade instruments to gauge the passing of time. From the ancient Egyptian sundials that tracked the sun’s progress through the sky to battery-powered wristwatches of the modern era, humans have utilized numerous inventive methods to measure and define our journey through time. ....

Chi Shu , Massachusetts Institute Of Technology , Massachusetts Institute , Big Bang , சி ஷு , மாசசூசெட்ஸ் நிறுவனம் ஆஃப் தொழில்நுட்பம் , மாசசூசெட்ஸ் நிறுவனம் , பெரியது இடி ,