Date: 15 Apr 1997 01:54:36 -0700
From: "G Horne" <g_horne@sttheresa.pvt.k12.ca.us>
Subject: Polorizing filters
To: "TI ALUMS AND STAFF" <pinhole@exploratorium.edu>
4/15/97 1:58 PM
Where can one locate polorizing filters like the ones we saw this summer in
the colored projections experiment?
-Gary Horne
Special
Announcement