On Tue, 2 Aug 2005, Justin Richards wrote:

> I have always wanted to stick a little mirror to a speaker cone and
> fire a laser at it while it is pumping out tunes.  It would have to
> look impressive I think.

I did that a long time ago. There are problems. You have to use proper 
optics to project the tiny movements and the laser starts looking dim 
real quick by the time the image is larger than 2".

Peter
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