Featured in atomic clocks
The most precise atomic clocks ever are proving Einstein right—again
One of the atomic clocks can track time to within one second over 300 billion years.
Researchers just linked three atomic clocks, and it could change the future of timekeeping
Redefining the second is a big project. This is one crucial step towards accomplishing that goal.
How the heck do you even add a leap second to the year?
The intricate system working to make your New Year’s Eve a little longer
DARPA Wants Long-Lasting Super-Precise Portable Atomic Clocks
Time for an upgrade
A New Type Of Clock Could Change How We Measure Time
Scientists think optical clocks are ready to replace the atomic clock as the standard
British Military Seeks A Hack-Proof, Quantum Physics-Based GPS
Such a location system would work underwater and indoors.
The World’s Most Precise Clocks: 100 Times More Precise Than Cesium Atomic Clocks
And they're about 10 billion times more precise than your quartz wristwatch.
This Clock Tracks The End Of The World
The clock monitors how close we are to doomsday, as decided by the heads of The Bulletin of Atomic Scientists.
New Breed of ‘Nuclear Clocks’ Could be 100 Times More Accurate than Today’s Atomic Timekeepers
Atomic clocks are the most accurate timekeepers in the world, but a “nuclear clock” would be even better. An international...
When Seconds Count: Today’s UN Debate Could Abolish the ‘Leap Second’
Unless you’re disputing the world record in the 100-meter dash or a buzzer-beater in basketball, a single second is generally...