From: astoper@seq.csuhayward.edu (arnie stoper)
Subject: Re: TECH: Creating 3D images with slide projectors?
Date: Fri, 16 Apr 93 01:21:59 -0700



Rick...

The trick to getting a 3D image with slide projectors and polaroid
glasses is to use a "lenticular" projection screen. The surface is
metallic, and doesn't depolarize the light. I'm not sure these are
still being made, though- I have one that is twenty years old.

Arnie Stoper