"IF EVER you wanted to set your watch, now is the time." Leon Lobo, of Britain's National Physical Laboratory (NPL), stands before a rack of servers near Canary Wharf, London's eastern financial outpost. The rack holds a high-precision, caesium atomic clock--the most accurate sort on the planet--and two other digital timepieces, called "grandmaster clocks", that work alongside it. Ticking in synchrony, all three display the time to within a whisker of co-ordinated universal time (UTC), the world...
"IF EVER you wanted to set your watch, now is the time." Leon Lobo, of Britain's National Physical Laboratory (NPL), stands before a rack of servers near Canary Wharf, London's eastern financial outpost. The rack holds a high-precision, caesium atomic clock--the most accurate sort on the planet--and two other digital timepieces, called "grandmaster clocks", that work alongside it. Ticking in synchrony, all three display the time to within a whisker of co-ordinated universal time (UTC), the world...
Share this Article
Recommended