If the current crop of smartwatches isn't to your liking, perhaps this truly smart watch on Kickstarter will fit the bill. It's called the Cesium 133 and is the world's first wristwatch powered by a ...

The most accurate atomic clocks in the world are based on the output of cesium atoms. These ultra-precise fountain clocks measure the frequency and time interval of seconds by using a fountain-like ...

BOULDER • Every second in a small laboratory room in Boulder, a green light flashes. Within the webs of yellow wire and shelves of computer systems, this green light represents the passage of time.

There are plenty of atomic watches available that can keep time accurately by receiving a radio signal from an atomic clock, but there hasn't ever been a true atomic wristwatch which boasts its own ...

In a telecommunications network, every network element with synchronous intermachine links requires proper synchronization to minimize transport errors. A good example of synchronization is a network ...

A highly sensitive quantum sensor from Jena has traveled nearly 9,000 kilometers: by truck to Hamburg, by ship across the Atlantic, and finally overland to Vassouras, Brazil. In a pioneering effort, ...