sunFollower
A passive heliostat the magically points a solar panel at the moving sun without electronic sensors or motors!
A passive heliostat that points a solar panel directly at the moving sun without electric sensors or motors!.
While at Columbia University I designed and modeled a passive solar tracker that points a solar panel at the moving sun without electric sensors or motors! This is the best design idea I have ever had (yet)....The basics are in the abstract below, but if you like the paper, here she blows: