Inharmonicity

[Richard Moody]

Jim, 
	Interesing to look at the rubber band from the end.  
And you have wondering if a program can be done in BASIC that makes the
monitor act like a strobe light?  

Richard Moody 

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> From: Jim Coleman, Sr. <pianotoo@imap2.asu.edu>
> To: Richard Moody <remoody@easnet.net>
> Cc: pianotech@ptg.org
> Subject: Re: Inharmonicity
> Date: Friday, August 21, 1998 5:33 PM
> 
> Hi Richard again and again:
> 
> You gave me a good idea about using a rubberband under florescent
lights.
> You can vary the tension until you find frequencies which are multiples
> of the 60Hz alternating current. You can seen the complex waves. You can
> also see that the band does not vibrate in a circular motion, but in a
> motion more or less in line with the direction of your plucking. That is
> similar to struck strings in a piano. If you turn of the lights and hold
> the rubber band pointing toward the computer monitor, you can see
various
> parials in operation. Thanks for the idea. It doesn't work exactly like
> a variable strobe light, the light is constant, but you can vary the 
> tension and the amplitude.
> 
> Jim Coleman, Sr.