[nfnaaron]

I think those are ohmmeters, actually. I forget what they call them, but the one they used on me to show me that I need help was an ohmmeter. I declined the help; I was only there because a smokin' hot blonde woman at Balboa Park invited me. Back in the seventies.

[Perceval]

Scientologists call them e-meters: http://en.wikipedia.org/wiki/E-meter

[noonespecial]

Technically, its a galvanometer.

http://www.clambake.org/archive/books/tsos/sos-18.html

[mvandemar]

I think that it is likely that many religious organizations learned 'sex sells' much earlier than the marketing industry even.

[electromagnetic]

Yeah it's sort of a, "You see that blonde, yeah she likes you too . . . okay now you're interested come see me in the morning, cause you're sure as shit going to hell cause she's easy!"