Hello There is a relatively recent (november 2015) public lecture by David Wineland on Youtube, titled "Keeping Better Time: The Era of Optical Atomic Clocks". I thought it an interesting, clear overview for the non-expert.
Link: https://youtu.be/LxbkyuzXst4 I searched the archives, but could not find it - apologies if this has already been reported. Ole _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.