On Thu, 13 Jan 2005 22:02:31 -0500, GregP
vaguely proposed a theory
.......and in reply I say!:

remove ns from my header address to reply via email

But does it work if you throw a sausage at it?

It doesn't detect flesh per se, it's looking for a change in electric
potential. Have you ever been in a building that has a door with
a crash bar that youhave to touch with your bare hand in order to
release a magnet that holds the door closed ?