April 7, 2014
NIST-F2 Atomic Clock Sets The Time Standard
A new atomic clock based on a “fountain” of cesium atoms, to serve as the next U.S. civilian time standard. NIST-F2 would neither gain nor lose one second in 300 million years, making it more than twice as accurate as its predecessor, NIST-F1, the U.S. civilian time and frequency standard since 1999.
Credit: National Institute of Standards and Technology
[ Read the Article: NIST Launches A New NIST-F2 Atomic Clock ]