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Re: Fabrics

  • From: "Alistair I. Paul" <aipaul@xxxxxxxxxxxxxx>
  • Subject: Re: Fabrics
  • Date: Sun, 24 May 1998 19:53:25 +0100
on 24/05/98  Stanee wrote:-

- ->and the other turned light.  I asked them what the fabric content of their
>garments were, and one was acrylic while the other was a wool blend.  I
>don't remember which was the one that turned light.
>
>It seems that what the fabric is made of is as important as the color!
>
>Stanee

Yeah fabric choice is important, as a rule of thumb, man-made fabrics absorb
IR and natural fibers reflect IR. Also grass is a good reflector of IR and
tarmac absorbs it (unless it is wet). We use these properties to help in the
detection of intruders.

Al.


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