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

And these days, it may be that atomic clocks are the only clocks that matter ... solid weight. So pocket watches weren’t exactly an overnight success. Early pieces were largely ornamental ...

From the humble wristwatch to the atomic clock, innovations that came out of global conflicts transformed our relationship ...

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 ...

The US National Institute of Standards and Technology (NIST) broadcasts atomic clock time signals from Fort ... to keep his Casio G-Shock self-setting watch on track. Not a repeater but a micro ...

“An atomic clock on the moon will tick at a different ... The last time NASA sent astronauts to the moon they wore watches, but timing wasn’t as precise and critical as it now with GPS ...