Le 18/01/2011 20:59, Poul-Henning Kamp a écrit :
In message<[email protected]>, Brooke Clarke writes:
The research that was announced some years ago was Cs atoms:
http://physicsworld.com/cws/article/news/20177
There is a technology pdf available on their site. It gives more detail
and perf data - you need a login to get it. It states that it is cesium.
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