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

The Geochron World Time Indicator is a clock that doubles as a live map of where the sun is shining on the Earth. Back in its day, it was a cult piece that some have dubbed the “Rolex on the ...

While new pavement is installed on the walkways outside “it’s a small world,” there’s now more obvious work on the classic ...

The time of the clock is currently 89 seconds to midnight. The Doomsday Clock is a symbol that represents how close we are to destroying the world with dangerous technologies of our own making. It ...

A more precise definition of the second is crucial to all sorts of physical measurements – but to get there, scientists have to pack up their extraordinarily fragile optical clocks and take them on to ...

Twice a year, around a quarter of the world’s population dutifully reset their clocks. It may seem like a minor adjustment, ...

It’s been centuries since the first public clocks were built in towns, cities and settlements around the world. How do we know this? Well, it’s the clocks themselves that have helped us keep ...

The "Aether clock OC 020" is so precise that it would take 10 billion years for it to deviate by 1 second Resembling a squat, wide fridge, the world's most accurate clock went on sale for $3.3 ...

One of the world's largest clocks sits atop a former soap factory in Clarksville, Indiana. The Colgate clock, with a 40-foot diameter, has been telling time since 1924. High atop a former soap ...

Some of the world's most advanced AI systems struggle ... that state-of-the-art AI models are unable to reliably interpret clock-hand positions or correctly answer questions about dates on calendars.