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From: steve@kontron.UUCP (Steve McIntosh)
Newsgroups: net.physics
Subject: Re: Yet Another Flaky Paradox
Message-ID: <206@kontron.UUCP>
Date: Wed, 5-Jun-85 12:17:59 EDT
Article-I.D.: kontron.206
Posted: Wed Jun  5 12:17:59 1985
Date-Received: Thu, 6-Jun-85 06:17:47 EDT
References: <5377@tektronix.UUCP> <53@rtp47.UUCP>
Organization: Kontron Electronics, Irvine, CA
Lines: 13

> > When you look in a mirror, the image you see is reversed left to right.
> > Why is it not also reversed in the vertical direction?
> >
> > -- Carl
> However, the usual answer to this problem (pointing out that flipping the image
> in the verticle axis rather than the horizontal axis is a convention due to
> gravity bias) I find unconvincing.  So here is a more convincing (to me)
> explaination.
I have it on good authority that if your eyes were above and below
your nose, instead to the left and right, mirrors would indeed flip
in the vertical direction instead of the horizontal. Something to do
with incidence angles. Of course to get it to flip both ways, you
would need four eyes.