The Time is always on the move!
Now do you want the time accurate to 1
second per 20 Million Years???
I found you just the web! NIST-F1
Cesium137 Fountain Atomic Clock.
"This device began its role as the nation's primary frequency standard by
contributing to an international pool of the world's atomic clocks that is used
to define Coordinated Universal Time (known as UTC), the official world
NIST F-1 shares the distinction of being the most accurate clock in the
Check this (I think it is) Gadget of the Century Out!!!
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