FOR THE discerning timekeeper, only an atomic clock will do. Whereas the best quartz timepieces will lose a millisecond every ...

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

Nuclear clocks could be more accurate than atomic clocks by a factor of about 10, potentially leading to improved GPS ...

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

Atomic Digital Clock Auto Set (no back light) - Using radio frequencies broadcast from NIST’s Colorado , the clock will automatically set to the correct time. Automatically adjusts to Daylight ...

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

Atomic clocks typically excite cesium atoms with photons ... in about 0.01 seconds. (The transition time for the bare thorium nucleus 229 Th 90+ is roughly a thousand seconds.) ...