Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences Radio-frequency magnetic resonances have been studied between the states of the atomic level 5 2P3/2, excited ...

In a cafe at CERN in 1992, three physicists realized they disagreed about how many constants are needed to describe all of nature. A recent paper suggests only one – time – is necessary.

In 1967, scientists decided to edit time. At the 13th annual meeting of the International Committee of Weights and Measures, a committee determined that the “scientific second” should be based on the ...

GUILFORD, Conn.--(BUSINESS WIRE)--Hyperfine Research Inc. announced today its collaboration with the Yale School of Medicine to pioneer the use of the world’s first portable, low-cost magnetic ...