Which atomic clocks are best? The first time zone, Greenwich Mean Time, was established in the late 1600s to assist sailors before the invention of the train and railway in the mid-1800s expanded the ...

MIT researchers unlock a hidden effect to stabilize optical clocks, which may help advance the search for elusive phenomena ...

Atomic clocks and frequency standards represent the pinnacle of precision timekeeping technology. By harnessing the natural oscillatory behaviour of atoms, these devices deliver unparalleled accuracy ...

Whether it’s timing runners in a race, cooking dinner, or trying to get to the airport on time, the standard minutes, seconds, and milliseconds found on most digital clocks are more than enough to ...