Categories
goatee-stroking musing, or something

or two Solar Marble Machines, at normal speed!

Categories
goatee-stroking musing, or something

Solar Marble Machine at 2× speed

Solar Marble Machine
Solar Marble Machine — click for video

For more details, please see The Solarbotics Solar Marble Machine.

Music: “A New Way of Seeing” (excerpt) – Richard Harvey; © 1979, ICL.