Douglas Kahn is Professor of Media and Innovation at the National Institute for Experimental Arts, College of Fine Arts, University of New South Wales. His books include Noise, Water, Meat: A History of Sound in the Arts (MIT Press 1999), Source: Music of the Avant-garde, 1966-1973 (University of California Press, 2011), with Larry Austin; Mainframe Experimentalism: Early Computing and the Foundations of the Digital Arts (University of California Press, 2012), with Hannah Higgins; and Earth Sound Earth Signal: Energies and Earth Magnitude in the Arts (forthcoming).