From: "Bill T." 
To: atm{at}shore.net
Reply-To: "Bill T." 


The truth comes out...now we know where Don's focuser design came from!  ;^)

Looking at those strange and wonderful circuits in the Scientific American
article, it seems to me that those same programs turned loose on optics
would crank out anything BUT pure spherical-surface designs.

Bill T.


>In the Feb 2003 issue of Scientific American  the article of Evolving
>Inventions
>By John R. Koza, Martin A. Keane and Matthew J. Streeter presents an
>interesting concept of design by computer. Optimization programs found in
>some ray tracing software and electrical simulation (spice) work only on a
>range of values of a predefined optical or electrical design. The new type
>of software presented in this article actual mimics the process of
>evolution. The design itself, components type, component placement and
>range
>of values, are allowed to change and “evolve” and produce new combinations
>in the design. Some of the examples in the article are of analog filter
>circuits that were not only optimized, but, new and better circuit
>topologies emerged. The same could be applied to optical design…perhaps an
>all- spherical large easily built scope design might be realized.
>
>
>
>Don Clement
>
>Running Springs, California
>
>http://www.clementfocuser.com
>
>

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