As the world considers redefining the precise length of a second, Singapore’s Centre for Quantum Technologies has delivered a ...

Lutetium clocks have achieved record accuracy and comparison precision, making them promising candidates for future time ...

Take a second and turn it into trillions of moments. Measure each one. That's how precisely an atomic clock at Singapore's ...

The lab-based timepiece 1, made by researchers at the National University of Singapore (NUS) using the rare-earth metal lutetium, is four times more accurate than the previous best clock 2, which was ...

What if you could build a clock that would last for 10,000 years? A clock that would tick only once a year, bong once a century, and cuckoo once a millennium? A clock that would be a symbol of ...

Comtoise watches, as seen here in the Comtoise Museum of master watchmaker Bernd Deckert, are a French pendulum clock from the French region of Franch-Comte. While they are beautiful antiques, they ...

The mayor says the authority is committed to repairing the 17th Century tower and clock.

Equatorial sundial at Denver’s Crammer Park, when it is a little past 11:00 a.m. by the sun. (The shadow moves clockwise, with the afternoon hours on the left.) Click here for the equation of time in ...

The famous "it's a small world" clock at Magic Kingdom is currently not working and will take over three weeks to repair.