Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards ...

F4, the latest cesium fountain clock that now stands as one of the most accurate timekeepers in the entire world.

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 ...

According to scientists at NIST in Boulder, their newest atomic clock, the NIST-F4, will help track time more precisely and ...

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 ...

ESA's state-of-the-art timekeeping facility, has been successfully installed on the International Space Station, marking the ...

Symmetricom has squeezed an atomic clock into 17cm3. Called the SA.45s, the cesium atom-based device is 40x35x12mm and weighs 35g. Over the -10 to 70°C operating temperature range, frequency change is ...

National Institute for Standards and Technology, “NIST-F1 Cesium Fountain Atomic Clock.” EE World Online, “The PC-board atomic clock, Part 2: The CSAC design.” EE World Online ...

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 ...

“Because visible light has a frequency that is five orders of magnitude higher than microwaves, optical clocks are about 100 times more accurate than the current standard of caesium atomic ...