Fairy tales for adults (long)

Ian Molton spyro at f2s.com
Fri Feb 14 06:34:56 PST 2003


On Fri, 14 Feb 2003 14:14:48 +0000 (UTC)
richard at nezumi.plus.com (Richard Lightman) wrote:

> I have not seen a design for an accurate clock based on atomic decay.
> The usual designs for atic clocks involve measureing the frequency of
> light emitted or absorbed when electrons change energy level in atoms
> or molecules.
> 
> http://www.boulder.nist.gov/timefreq/cesium/fountain.htm

Good answer. :-)
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