kunstpädagogInnenfortbildungsreihe FOBIRE meets PRAXISTEST: circuit bending (free handout here), victorian synth, 555 synth
http://library.thinkquest.org/16497/gather/cgi-bin/projects/1.gif
http://www.pollin.de/shop/index.html
http://de.wikipedia.org/wiki/NE555
http://www.anti-theory.com/soundart/circuitbend/
http://www.nicolascollins.com/texts/originalhackingmanual.pdf
http://gizmodo.com/5677024/gizmodo-university-volts-amps-and-ohms