In another verification of the validity of Einstein's theory of general relativity, published in Nature Photonics, scientists from the RIKEN Center for Advanced Photonics and Cluster for Pioneering Research, with colleagues, ...
General Physics
Apr 9, 2020
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It would take 15 billion years for the clock that occupies Jun Ye's basement lab at the University of Colorado to lose a second—about how long the universe has existed.
General Physics
Sep 9, 2021
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Using their advanced atomic clock to mimic other desirable quantum systems, JILA physicists have caused atoms in a gas to behave as if they possess unusual magnetic properties long sought in harder-to-study solid materials. ...
General Physics
Dec 21, 2016
0
1121
A pair of experimental atomic clocks based on ytterbium atoms at the National Institute of Standards and Technology (NIST) has set a new record for stability. The clocks act like 21st-century pendulums or metronomes that ...
General Physics
Aug 22, 2013
1
2
University of Wisconsin–Madison physicists have made one of the highest performance atomic clocks ever, they announced Feb. 16 in the journal Nature.
General Physics
Feb 16, 2022
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Japanese researchers have built a pair of clocks which they say are so accurate they will lose a second only every 16 billion years—longer than the Earth has been around.
General Physics
Feb 23, 2015
8
169
An experimental atomic clock based on ytterbium atoms is about four times more accurate than it was several years ago, giving it a precision comparable to that of the NIST-F1 cesium fountain clock, the nation's civilian time ...
General Physics
Aug 11, 2009
0
0
Physicists said Tuesday that a so-called optical lattice clock, touted by some as the time-measuring device of the future, had passed a key accuracy test.
General Physics
Jul 9, 2013
0
0
Performing high-resolution, high-sensitivity measurements of light and matter at the quantum limit requires extraordinary tools. Due to the difficulties of manipulating atoms with the necessary control, such measurements ...
Quantum Physics
Sep 12, 2014
0
2
A University of Tokyo and RIKEN research group has developed a mercury-based optical lattice clock and measured the mercury clock frequency using the same group's recently developed strontium-based optical lattice clock as ...
General Physics
Jun 30, 2015
0
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