Chronos: 'Quantum Logic Clock' Based on Aluminum Ion is Now World's Most Precise Clock

2010-02-04

'Quantum Logic Clock' Based on Aluminum Ion is Now World's Most Precise Clock

Physicists at the National Institute of Standards and Technology have built an enhanced version of an experimental atomic clock based on a single aluminum atom that is now the world’s most precise clock, more than twice as precise as the previous pacesetter based on a mercury atom.

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