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- Newsgroups: alt.folklore.science
- Path: sparky!uunet!spool.mu.edu!darwin.sura.net!convex!schumach
- From: schumach@convex.com (Richard A. Schumacher)
- Subject: Re: Non-Relflecting object
- Message-ID: <schumach.725151168@convex.convex.com>
- Sender: usenet@convex.com (news access account)
- Nntp-Posting-Host: starman.convex.com
- Organization: CONVEX Computer Corporation, Richardson, Tx., USA
- References: <dwarner.18@milo.ub.com> <Bzq2Ln.FM@brunel.ac.uk>
- Date: Wed, 23 Dec 1992 22:52:48 GMT
- X-Disclaimer: This message was written by a user at CONVEX Computer
- Corp. The opinions expressed are those of the user and
- not necessarily those of CONVEX.
- Lines: 7
-
- Or, empty space. Once when it was necessary to have a very
- dark background for some high-speed flash photography, we
- waited until night and used an open window as the background.
- It worked great. Of course, it's necessary that there be no
- light sources or nearby objects (anything is a potential
- reflector) visible through the window; what constitutes a
- source or "nearby" will depend on your application.
-