From: robblack@ix.netcom.com
Message-Id: <333EE97F.6CB2@ix.netcom.com>
Date: Sun, 30 Mar 1997 22:30:23 +0000
To: Pinhole Listserv <pinhole@exploratorium.edu>
Subject: Re: Pinhole Daily Digest
How about the non-ideal polarizer? Why does blue and/or violet get
through perpendicular filters? Wavelength size? Frequency/energy?
more complicated than that?
Heidi Black Oak Grove HS