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How atomic clocks works

Jur Bruijns's picture
By Jur BruijnsOn 15 Jun 2012

Bill shows the world's smallest atomic clock and then describes how the first one made in the 1950s worked. He describes in detail the use of cesium vapor to create a feedback or control loop to control a quartz oscillator. He highlights the importance of atomic team by describing briefly how a GPS receiver uses four satellites to find its position.

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