The clock hands are set by the Bulletin of the Atomic Scientists, a group formed by Manhattan Project scientists at the University of Chicago who helped build the atomic bomb but protested using it ...

Solid-state clock Illustration of how thorium atoms are vaporized (bottom) and then deposited in a thin film on the substrate ...

There are hundreds of atomic clocks in orbit right now, perched on satellites all over Earth. We depend on them for GPS ...

A team of Chinese researchers has reportedly developed the most precise portable atomic clock ever. Small and rigid by design ...

Even your Macbook or smartphone displays time which is synchronized to the NIST-F1 clock, a cesium fountain atomic clock (aka ... the clock winds up and runs for about an hour.

In 2001, Japanese physicist Hidetoshi Katori proposed a new type of atomic clock that only loses ... showing in 2020 that clocks set on the observation deck at 450 metres ticked faster by 4/ ...

Is the end near? Our planet is the closest it has ever been to a global nuclear holocaust, members of the scientific ...

That big grandfather clock ... 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 clock up to it.

WATCH: Here's how the Doomsday Clock changed from 1947 up to last year. The symbolic device was created by the Bulletin of the Atomic Scientists in 1947. It was founded at the University of ...

and smaller size mean its production could be more easily scaled up to make smaller, less expensive, more portable atomic clocks. Atomic clocks that excite the nucleus of thorium-229 embedded in a ...

but it is absolutely critical for applications ranging from testing relativity to navigating down the road. Atomic clocks, such as those used on the Global Navigation Satellite System network, ...