Re: [Phys-l] Lissajous

[Bernard Cleyet <bernardcleyet@redshift.com>]

Writing of Lissajous, here's Bryan's harmonic visualizer:

http://www.bmumford.com/art/visualizer.html


Here's his cube of harmonies.  Cut in wood w/ his CNC mill.

http://www.bmumford.com/xyz/details/cube.jpg

And here's his home built CNC router that cut the above.

http://www.bmumford.com/xyz/details/details.html


bc been kicking himself ever since he turned down Bryan's offered  
sale of a prototype CNC'd router for much less than cost.



On 2009, Aug 30, , at 20:03, chuck britton wrote:

> re: the 60Hz wal signal
>
> On Aug 30, 2009, at Aug 30(Sun) 8:22 , John Denker wrote:
>
> > Fixed?  Not really.
> >
> > The long-term average frequency is very closely
> > controlled ... but there is a huge amount of
> > short-term frequency modulation.
>
> Here's some data on the 'huge' shot-term variation.
>
>
> not very large on a percentage basis.
>
>   data stolen from: http://www.bmumford.com/clocks/60cycle/index.html
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