Ummm. . .is some kind of new fetish or something, Kirk?
--The_Lex Fri May 12 21:06:42 2006
No... it's empirical science!
--Kirk Fri May 12 21:58:23 2006
There's probably a capacitive sensor of some kind. So if the object doesn't disturb the EM properties, then there's no reaction.
--ericball Mon May 15 14:05:00 2006