In a paper appearing in the Jan. 11 issue of Science, Müller and his UC Berkeley colleagues describe how to tell time using only the matter wave of a cesium atom. He refers to his method as a Compton clock because it is based on the so-called Compton frequency of a matter wave. 

http://spacewatchtower.blogspot.com/2013/01/tell-time-using-matter-waves.html

gaw

Glenn A. Walsh, Project Director,
Friends of the Zeiss < http://friendsofthezeiss.org >
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SpaceWatchtower Blog: < http://spacewatchtower.blogspot.com/ >

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