The little Casio synthesizer cost Christian Oncken $3 at a secondhand store. It plays a tinny melody accompanied by a brittle dance beat from its tiny speaker. The keyboard lies face-down on Oncken's kitchen counter, where the musician has exposed the machine's circuit board, a green plastic surface studded with the soldered pins of capacitors and resistors. Spreading his fingers, Oncken begins what he calls the "Vulcan mind-meld." Touching his fingertips to the prickly surface, he conducts electricity through circuits the keyboard's manufacturer never... More >>>