senseless drawing bot
http://www.designboom.com/weblog/cat/10/view/17389/senseless-drawing-bot.html
featuring a motorized skateboard base, the construction consists of a single arm equipped
with a rotary encoder attached to the fulcrum of the pendulum. as the robot moves from
side to side, the swinging motion of the arm is amplified through the physics of inertia
which is delineated by a quick release of paint from the spray can. the resulting collage of lines
is a complex illustration derived from a simple operation.