In message <cahzk5wevgxyrg_nk9mxakcu8bezopwhzpj-bqfxyehwy_ja...@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.

Probably not.

The down-side to optical clocks is that linear distances becomes
much more critical, so temperature-control is almost certainly
a prerequisite.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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