And soon, for the first time, you’ll be able to buy one of your very own: Vector Atomic, a start-up based in California, US, has put the first portable optical clock on the market. “Today the only ...

Optical quantum clocks developed at the University of Adelaide have been proven to outperform GPS navigation systems by many ...

Optical atomic clocks can improve time and location accuracy by a factor of ten, enhancing applications such as GPS systems, personal computers, and mobile phones. However, their current size and ...

Atomic clocks work by keeping time using atoms. One popular design uses atoms of an isotope of caesium, Cs-133. The International Committee for Weights and Measures first used it in 1967 to define ...

Very large atomic clocks communicate directly with the satellites, allowing them to know the time to within 100 billionths of a second, and this precision timing is key to a variety of economic ...