NIST scientists have developed a new method for measuring temperature extremely accurately by using giant “Rydberg” atoms.

This ensures the pendulum doesn’t change length with temperature, but it still only ... to a 10-MHz timebase from a cesium fountain atomic clock — no less a clock than the one that’s used ...

Microchip (MCHP) announces its second generation Low-Noise Chip-Scale Atomic Clock model SA65-LN, in a lower profile height and designed to ...

In a nutshell Scientists have created the most precise atomic clock ever built, using a crystal of multiple atoms instead of ...