Atomic clocks have long been the gold standard for measuring time and frequency. Among them, optical clocks—using atoms like ...

The size, power, and other metrics of a latest-generation chip-scale atomic clock.

In a National Science Review perspective, the research progress and future challenges of nuclear optical clocks are presented ...

The home of one of the computer company’s founders displays some of its first products, including credit card-size ...

A technological innovation could revolutionize the precision of navigation systems. A tiny device, shaped like a comb, ...

The second and its definition is fundamental to metrology, the science of measuring things. In fact, the meter, the kilogram, ...

Breakthrough could pave the way for next-generation GPS in drones, smartphones and self-driving cars, scientists say.

Forbes contributors publish independent expert analyses and insights. Roger Huang writes about Bitcoin and its wider impact on society.

In most locations in the US, clocks are put forward on the second Sunday in March every year. Advert At 2:00am local standard time, clocks are moved to 3:00am local Daylight Saving Time. Clocks are ...

But as we bid farewell to a long, cold winter and welcome spring, many are starting to wonder when the next significant seasonal shift will take place - the clocks going forward and the start of ...

In the spring, the clocks move forward one hour, meaning the sun sets an hour later in the evening and rises an hour later in the morning. Digital clocks like the ones on cellphones will ...

In the spring, the clocks move forward one hour, meaning the sun sets an hour later in the evening and rises an hour later in the morning. Digital clocks like the ones on cellphones will ...