Precision spectroscopy of helium and other atomic systems is ... which affects the hyperfine structure of atomic energy levels. This Nature Research Intelligence Topic summary is one of 30,000 ...

Kelvin waves have been a mystery for decades but a new method involving superfluid helium-4 can help us control them.

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China is on a clear course to become the world’s first “electrostate" — and is likely to eclipse the U.S. in atomic power in ...

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It was precisely this unique atomic structure that enabled researchers to overcome a major hurdle in atomic ... Thus, a team led by Carina Kanitz at the University of Vienna succeeded in observing the ...