A standard atomic clock takes a beam of atoms that ... will be more precise than the same ruler with 4 marks. While a cesium clock may be off one second in 100 million years, the optical clocks ...

A form of cesium atomic fountain clock, the atomic clock can be readily loaded onto various military vehicles, including ...

With access to a 10-MHz timebase from a cesium fountain atomic clock — no less a clock than the one that’s used to define the SI second, by the way — [Daniel] looked for ways to sync the ...

Precision equipment manufacturer Shimadzu Corp. said it has created the world’s most accurate time device: a clock that won’t ...

The invention – called the optical lattice clock – is a thousand times more accurate than cesium atomic clocks used for international timekeeping and is a contender for redefining how long a ...

The strontium optical lattice clock is the first of its kind to be ... one hundred times more precise than the traditional cesium atomic clocks that currently define the second.

The size, power, and other metrics of a latest-generation chip-scale atomic clock.

Optical lattice clocks, the pinnacle of timekeeping, are key to exploring the relationship between quantum mechanics and ...