Quantum timekeeping is supposed to be the ultimate in efficiency, with tiny devices that tick using the rules of quantum mechanics instead of swinging pendulums or vibrating quartz. Yet new work on a ...

This breakthrough in precision timing is about the size of your fingernail and only loses one second every 30,000 years. Reading time 2 minutes This tiny cube fits on the tip of your finger and also ...

Timing is everything in modern warfare, where even a nanosecond’s delay can make the difference between hitting or missing a target in a coordinated drone or missile attack. China may now have taken a ...

Smaller version Illustration of a conventional atomic fountain clock (left) next to NPL’s miniature atomic fountain clock. (Courtesy: NPL) A miniature version of an atomic fountain clock has been ...