[time-nuts] GPS disciplined mechanical clocks

Robert Darlington rdarlington at gmail.com
Mon Mar 9 12:03:02 UTC 2009


Actually, it only takes a few seconds to sync metronomes using that method.
YouTube is full of examples:

http://www.youtube.com/watch?v=RMVxVbCIPjg

-Bob

On Mon, Mar 9, 2009 at 1:27 AM, Hal Murray <hmurray at megapathdsl.net> wrote:

>
> > Allied to this discussion is the Loomis effect, discovered by the
> > American millionaire who had three Shortt clocks running in his
> > basement. They synchronised unless aligned at 120 degrees to each
> > other. I wonder weather they were shaking the bedrock, or maybe the
> > gravitational attraction between the 10 kg pendulums may have
> > synchronised them.   (See "Tuxedo Park" by Jennet Conant) He qualified
> > as the first time nut.
>
> It's on page 67-68.
>
> When I told that story to a friend today, he gave me one back.
>
> If you take 3 old fashioned mechanical metronomes and put them on a board
> that is on a couple of soft drink cans for rollers, they will get in sync.
> It may take an hour...
>
> Sounds like good science fair bait.  Are there similar demos?  Can you get
> two tuning forks to beat if held next to each other but get in sync if
> their
> bases are touching?  (or something like that)
>
>
> --
> These are my opinions, not necessarily my employer's.  I hate spam.
>
>
>
>
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