[time-nuts] Some More questions
phk at phk.freebsd.dk
Thu Jan 19 09:48:46 EST 2006
In message <43CFA454.1080906 at erols.com>, Chuck Harris writes:
>Poul-Henning Kamp wrote:
>> In message <43CF928D.4030101 at erols.com>, Chuck Harris writes:
>>> It would be interesting to see how such an oven performs compared
>>> to the traditional double oven.
>> According to a guy at the danish metrology lab, the optimal strategy
>> is moving as little heat as you can get away with.
>But that brings us back full circle: How do you do an exceptional
>job of controlling the temperature of a crystal that was designed
>to operate at 25C?
You put it inside a solid block of copper or aluminium.
You put that block inside a small enclosure where you try to hold
the temperature constantly at 25C.
>instruments already have conventional double ovens around their
Far from always in the metrology business. You can't put your
kilogram artifact in a double oven for instance.
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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