2651937 comment Comment Re:So that would make it use about... (Score 1) 95 by superflyguy on Saturday March 01, 2008 @12:00PM (#22610332) Attached to: IBM Optical Chip Zips Huge Files Using Little Power Actually it's 200*cos^2(60*pi*t+theta) watts as a function of time, assuming a lightbulb is an ideal resistor.