NEW YORK, Dec 15 (Reuters) - Nasdaq (NDAQ.O), opens new tab, one of the world's largest exchanges that is home to tech companies Nvidia, Apple and Amazon, is planning to submit paperwork with the U.S.

The emission of photons by excited nuclei has been explored for timekeeping and sensing, but nuclear processes that eject electrons offer practical advantages. Electrons in atoms can exist only in ...

Clocks tick faster on Mars than they do on Earth, in part because Mars experiences less gravitational pull from the Sun. Now scientists have calculated just how much faster — 477 microseconds, on ...

Here on Earth, we take for granted the fact that my watch displays the same time as everybody else's watch does, at least within my time zone. And when you step back and think about it, it is kind of ...

Clocks tick faster on Mars than they do on Earth, in part because Mars experiences less gravitational pull from the Sun. Now scientists have calculated just how much faster -- 477 microseconds, on ...