NIST's second 'quantum logic clock' based on aluminium ion is now world's most precise clock
Sunday, February 7, 2010 - 09:49
in Physics & Chemistry
Physicists at the National Institute of Standards and Technology (NIST) have built an enhanced version of an experimental atomic clock based on a single aluminium atom that is now the world's most precise clock, more than twice as precise as the previous pacesetter based on a mercury atom...