based on newly discovered principles of animal locomotion, Robert Full introduces robots surprisingly agile for their simple construction (one of them, RHex, is really cute!)
a key component of the original, mechanical television technology. the rotating disk acts as an image scanner so a single photodetector can encode the entire scene
there seems to be some controversy over the merits of this design. in any case, i'm happy to see people contribute their designs & ideas, at least as an inspiration to others