1994-03-18 - Re: spyproofing your house/work building

Header Data

From: Matthew J Ghio <mg5n+@andrew.cmu.edu>
To: cypherpunks@toad.com
Message Hash: 5a554665a9b3b8ae3b855ece1b6aa4e01ba64baf5435093116c772e4437f6311
Message ID: <8hWVM1m00WB5IQ=nFz@andrew.cmu.edu>
Reply To: <9403181839.AA27327@prism.poly.edu>
UTC Datetime: 1994-03-18 20:59:34 UTC
Raw Date: Fri, 18 Mar 94 12:59:34 PST

Raw message

From: Matthew J Ghio <mg5n+@andrew.cmu.edu>
Date: Fri, 18 Mar 94 12:59:34 PST
To: cypherpunks@toad.com
Subject: Re: spyproofing your house/work building
In-Reply-To: <9403181839.AA27327@prism.poly.edu>
Message-ID: <8hWVM1m00WB5IQ=nFz@andrew.cmu.edu>
MIME-Version: 1.0
Content-Type: text/plain


Excerpts from internet.cypherpunks: 18-Mar-94 Re: spyproofing your
house/.. by Arsen Ray Arachelian@pri 
> <<Except that they would go off whenever the sun was up, or whenever a car
> with its headlights on drives up.>>
>  
> So is there a way to detect the specific IR that the bad guys use?

Measure the ratio of IR to visible light.





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