Optical atomic clocks poised to redefine how the world measures seconds

Time is almost up on the way we track each second of the day, with optical atomic clocks set to redefine the way the world ...
Physics World

NPL unveils miniature atomic fountain clock

Smaller version Illustration of a conventional atomic fountain clock (left) next to NPL’s miniature atomic fountain clock.

American Communities Fight Existential Threat of Atomic Clock

Time will no longer be imposed upon us by a cesium fountain clock at the National Institute of Standards and Technology,” ...
AOL

A Chip that Keeps Time (Almost) Like an Atomic Clock

For decades, atomic clocks have provided the most stable means of timekeeping. They measure time by oscillating in step with the resonant frequency of atoms, a method so accurate that it serves ...