From: Rick Moen (rick at domain linuxmafia.com)
Date: Sun 30 Jun 2002 - 02:29:30 IST
Quoting Paul Jakma (paul at domain clubi.ie):
> so why not go with some kind of laser based system? (although rain
> can be a problem).
And more exotic types of interference:
http://catless.ncl.ac.uk/Risks/18.58.html#subj3
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