Re: [ATM] Next moves

["David Harbour" <scarab2@cox.net>]

Wind tunnels to test aerodynamnic forms use a system with a knife edge and a
spherical mirror, essentially a foucault test, to detect air currents (make
them visible)- we all know how well the knife edge makes air currents
visible in front of a mirror under test. Such a system is called, by
aeronautical engineers, a "Schlieren" system. Aviation and mirror making
seem to cross over each other everywhere.

Dave

----- Original Message ----- 
From: "Mark Holm" <mdholm@telerama.com>
To: <atm@atmlist.net>
Sent: Thursday, May 05, 2005 7:44 PM
Subject: RE: [ATM] Next moves


> > I cannot see any fractures on/in the glass. Only what we call
"Schlieren" in
> > German (the structures inside). Haven't found a word for that in any
> > dictionary.
>
> Possibly the equivalent word in English is stria.  That is a plural
> form.  I don't know what the singular form of the word would be.
> -- 
> Mark Holm
> mdholm@telerama.com
> _______________________________________________
> ATM mailing list http://www.atmlist.net/
>


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