round trip + EM#3

round trip + EM#3 (2006)
This is performance piece combined 2 type of ways of controlling paper clips from behind a wood board. One is based on a synchronous motor and a permanent magnet, and the other is an electromagnet controlled by square wave oscillator through an audio amplifier. Sound comes from piezo pickups attached under the board.

other better quality video : video archive at NTT ICC website, also optofonica DVD from LINE.