Ok I grabbed a clock that syncs with the atomic clock as I was sick of mine always dying due to power outages, etc...<BR><BR>So anyway I wake up late for my morning class today, and why? My atomic ...

Here on Earth, it might not matter if your wristwatch runs a few seconds slow. But crucial spacecraft functions need accuracy down to one billionth of a second or less. Navigating with GPS, for ...

Vladan Vuletić with members of his Experimental Atomic Physics group. From left to right: Matthew Radzihovsky, Leon Zaporski, Qi Liu, Vladan Vuletić, and Gustavo Velez. Every time you check the time ...