Nobel Laureate William D Phillips on the atomic timekeeping revolution. Aeon Video: http://ow.ly/NljE305m7OR pic.twitter.com/AnuyVdSVwO
8:01 AM - 20 Oct 2016
0 replies
0 retweets
6 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.