[time-nuts] You can build a fountain from the things you find at home...

Poul-Henning Kamp phk at phk.freebsd.dk
Tue Sep 27 20:23:56 UTC 2011


In message <CAD2JfAgqBOEG-iyb5z2_RbJuLdj7SbVC5bofPnTK45RjeSrBvQ at mail.gmail.com>
, paul swed writes:

>Boy I have to go back and check. I thought fountains used lasers and such to
>slow the atoms down.

They do.  And a microwave field.

But I still think it is easier to make work than the state selection magnets
in a CS.

Of course, there's also the laser-based cesium to consider.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



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