Combining a double pendulum, spray paint, and motorized wheels, So Kanno and Takahiro Yamaguchi created a Senseless Drawing Bot, which chaotically paints a gallery wall. See it in action below:

[via Creative Applications]

UPDATE: Check out this blog, where the artists documented the construction and testing of The Senseless Drawing Bot.

More:

• Pendulum Pr0n
• Weekend Project: Double Pendulum
• Hektor – The spray painting robot