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Mailing List Logs for ShadowRN

From: Basilisk <prier@***.UNIBAS.CH>
Subject: Sensitive systems
Date: Tue, 3 May 1994 13:37:39 +0200
>>>>>[Herr Crow, some of the more sophisticated motion detectors are
working
by detecting variations in air pressures instead of the standard infra-red,
which can be detected. Check the new Ares sec. catalog. Also, a standard
altimeter or barometer generally works on air pressure, and with some
modifications can be made directional instead of general.]<<<<<
-- Basilisk <11:36:08 GMT/02.Mai.55>

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Thwap!