[time-nuts] Primary Time Standards
phk at phk.freebsd.dk
Fri Jul 15 08:44:10 UTC 2011
In message <CAHZk5WevGxYrG_NK9mXAkcU8bEzoPwHZpJ-BqfXYEhWy_jALrQ at mail.gmail.com>
, Sanjeev Gupta writes:
>> Some day the definition of the SI second will change; optical clocks [...]
>And hopefully, easier to realise in practice.
The down-side to optical clocks is that linear distances becomes
much more critical, so temperature-control is almost certainly
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