Date: Tue, 25 Mar 1997 07:58:30 -0800 (PST)
From: David Porter <dlporter@crl.com>
To: Pinhole Listserv <pinhole@exploratorium.edu>
Subject: Re: Polarizing filters
In-Reply-To: <33376B1D.5FA6@justin-siena.napanet.net>
Message-Id: <Pine.SUN.3.91.970325075403.6134A-100000@crl9.crl.com>
The vector explanation for the third filter's effect which Dan suggested
is what I am familiar with, and it's another way for kids to get the idea
of components. Paul Hewitt's (sp?) "Conceptual Physics" would be worth
looking at for this discussion.
David Porter