Physicists have made a breakthrough in the development of a nuclear clock, a new kind of ultraprecise clock that could ...

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 ...

Multi-Band Atomic Timekeeping, Tough Solar Power, Shock Resistant 200M Water Resistant, Full Auto EL Backlight with Afterglow, World Time 4 Daily alarms and 1 Snooze Alarm, Hourly time signal ...

The US National Institute of Standards and Technology (NIST) broadcasts atomic clock time signals from ... GPS to WWVB converter to keep his Casio G-Shock self-setting watch on track.

That's pretty much the norm – particularly with the rise of dive watches in more formal environments. That's something which is not common on the Casio G-Shock ... the nine o'clock position ...

coupled an atomic nucleus to an atomic clock to compare differences in their timekeeping frequencies.… The breakthrough promises to ease the development of the next generation of ultra-precise ...

The Casio G-SHOCK MOVE DWH5600 combines durability with fitness tracking, offering heart rate, step, and health monitoring.

Casio has revealed new all-black editions of its G-Shock Mudmaster ... on its bezel. The watch combines a traditional dial and hands with a digital display at the six o’clock position for ...

ScubaLab director Robby Myers reviews the G-Shock Mr-G Frogman dive watch on a dive at Florida's Blue Heron Bridge.

The measurement listed for case size is the horizontal width of a watch, not including the crown. Most watches run from 38 to 44 millimeters, but sport watches like G Shock can get even bigger.

The method merges state-of-the-art atomic clocks with quantum computers. "Our goal is to get to the ultimate precision ...