Theremin
That is all.

Basicly it produces an EM field which through some kind of electronic wizardry produces a different pitch as you pass you hands or knob through it... I believe it's something to to with electrical resistance....

See: www.thereminworld.com
( 4838 Let the man go through, Sun 9 Feb 2003, 13:56, archived)

useful link
for theramin fun

H'yarr
( boden, Sun 9 Feb 2003, 13:58, archived)

That's
fucking top that is, proper bo'
( 4838 Let the man go through, Sun 9 Feb 2003, 14:08, archived)

aaah, thankyou..
i was thinking thevenin, but that just shows that I've been doing too much electronics recently.
( teflon, Sun 9 Feb 2003, 13:58, archived)

as you pass your knob through it?
sounds thrilling
( sargant, Sun 9 Feb 2003, 14:01, archived)