Polygon Window – Surfing On Sine Waves [3LP]"Originally released in 1993, Surfing On Sine Waves is the second album released under the Warp Artificial Intelligence series (the series also includes the two titular compilations, as well as contributions by Autechre, The Black Dog, F. U. S. E. and more). Surfing On Sine Waves is also the sole album released under Richard D. James (aka Aphex Twin's) Polygon Window alias. The name Polygon Window originally appeared as a track name under Richard D.