Atomic clocks are the basis upon which a second is defined. But there is a new kid on the block, the optical clock, which ...

The clock hands are set by the Bulletin of the Atomic Scientists, a group formed by Manhattan Project scientists at the University of Chicago who helped build the atomic bomb but protested using it ...

The advantage of a radio-controlled clock that receives the time signal from WWVB is that you never have to set it again.

ESA's Atomic Clock Ensemble in Space (ACES) has arrived at NASA's Kennedy Space Center in Florida, United States. This ...

In 2001, Japanese physicist Hidetoshi Katori proposed a new type of atomic clock that only loses a second every 30 billion years, a period longer than the current age of the universe. The ...

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

It keeps such great time by periodically syncing with the atomic clock in Mainflingen, Germany. The core of the project is an ATMega328 which uses the new DCF77 library for decoding the signal ...

Even though today most smartphones, laptops and smartwatches rely on GPS satellites and atomic clocks to keep time and reset themselves, it’s still a good idea to be prepared for the way it will ...