fun with metronomes

[wb5mmb]

That is what I was thinking. I wonder how far from being on the same 
frequency the metronomes can be and still synchronize?
      Sandy
     WB5MMB


At 10:05 AM 4/25/2013, you wrote:
>They are mechanically coupled. Notice toward the end of the video 
>that the base that they are all resting on is moving. Years ago I 
>saw a demo of two pendulums, each swinging from a bar drilled into a 
>brick basement wall and several feet apart. Each pendulum was driven 
>by a magnetic kick each time it passed through dead center, similar 
>to the Foucault pendulum at the Smithsonian. Over a period of days, 
>the two pendulums would synchronize. As I recall, they put an air 
>baffle between them to eliminate air currents. It was apparently the 
>very small movement of the brick wall that synched them up.
>
>On Apr 24, 2013, at 10:41 12PM, wb5mmb wrote:
>
> > I think I understand a bit of how this works.
> >
> > http://www.wimp.com/synchronizingmetronomes/
> > more here
> > http://www.youtube.com/user/IkeguchiLab
> >
> >     Sandy
> >     WB5MMB
> >
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