The finished sculpture

Light Waves Making of

The finished sculpture is documented over here.


little drawing

The sculpture recreates an optical effect (caustic).
Photo of some pretty river caustics
photo credits


It also has a life of it’s own and reacts to the sounds in the room.

Brain: Arduino microcontroller.
Ear: Electret condenser microphone with a simple amplifier.
Hand: An old printer motor rotates excentrically and shakes the bubble to create ripples.

Some inaccurate sketches: old and inaccurate sketch old and inaccurate sketch


And because you scrolled so far you’ll get to look at some pretty and pretty funky caustic experiments: