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From: rats@ihlpm.att.com (David Woo)
Newsgroups: sci.military
Subject: Re: Home Sniperscopes
Message-ID: <1991Feb8.014547.18852@cbnews.att.com>
Date: 8 Feb 91 01:45:47 GMT
Sender: military@cbnews.att.com (William B. Thacker)
Organization: AT&T Bell Laboratories
Lines: 35
Approved: military@att.att.com



From: rats@ihlpm.att.com (David Woo)

In <1991Feb7.014350.2587@cbnews.att.com> Mike Edelman states:

|As mentioned, many of the CCDs used in camcorders and other consumer
|products have excellent infrared sensitivity. One that's cheap and
|easy to modify is the Fisher-Price kiddy camcorder, often sold for
|less than $100.

In the olden days of television, the photocathodes of the imaging tubes
were S-1, just like the infrared image convertor tubes used. Due to
the fact that some dyestuffs are transparent to IR radiation, it was
claimed some embarassing details came out before the IR blocking filters
were used in imaging clothed people.

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I noticed strike footage from an A-10 shown on the news yesterday. As
this was a night strike, just what type of NV gear does an A-10 use?

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Stealth Aircraft: Yale Jay Lubkin showed many years ago that by setting
up an array of microphones and processers, you could not only determine
that aircraft were approaching, you could identify the type of aircraft
via it's acoustical emissions! As a matter of fact, AT&T Bell Labs uses
a phased array acoustical microphone at some locations.

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The latest Popular Science has a very interesting article on the armoring
of civilian vehicles against terrorist attacks. It mentions a type of
armor plating, 1/8" thick that can stop a .44MAG slug, among other things.