How an atomic clock works, and its use in GPS. [VIDEO]

How An Atomic Clock Works, And Its Use In GPS

Jun 13, 2012 Interesting 248203
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Bill Hammack presents the world's smallest atomic clock, showing the two types of cesium atoms as well the importance of electric jolts at the right instant to ensure that the oscillations are in tune. Watch as he then explains the use of it in a GPS.

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