Even your Macbook or smartphone displays time which is synchronized to the NIST-F1 clock, a cesium fountain atomic clock (aka the ‘Atomic Clock’) that is part of a global consortium of atomic ...

Atomic Digital Clock Auto Set (no back light) - Using radio frequencies broadcast from NIST’s Colorado , the clock will automatically set to the correct time. Automatically adjusts to Daylight ...

For atomic-clock architects, it's not just about building ... even at the microscopic scale," said NIST and JILA physicist Jun Ye. "It's pushing the boundaries of what's possible with timekeeping." ...

Accurate frequency measurements of a narrow optical clock transition in ... develop increasingly accurate atomic clocks. The spectral resolution achieved in the NIST experiment is higher than ...

The most precise clocks in the world will lose only one second every 300 billion years—and someday they might fit in your pocket.