Re: ATM between a parabola & a sphere: computation

[Hermit <klowther@cisnet.com>]

Guy Brandenburg wrote:
> 
> At the NCA/AU mirror-making class last Friday, Phil Lamphier, Jerry
> Schnall, and I were talking about how to figure out how much glass
> actually gets removed when moving from a sphere to a parabola. We did
> some calculations, and they do not seem correct. I wonder if anybody can
> point out where we went wrong.
> 

Our own beloved RS sent me to link on his web site that has such a
calculator.  I could not get the page to load. :(  BRB.  OK. Back. :-)

The page opens now.  It is a spread sheet.  He didn't give the exact
url, but: http://megspace.com/science/sfe/i_en.html 
-- 
Ken Lowther
Youngstown, Ohio
http://www.atmsite.org
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