David M. Patrick has accidentally re-invented the wheel. The California-based inventor was toying around with six short, curved lengths of cable that he had connected into a sort of helical loop–and then he accidentally dropped it. What he observed next was surprising: The loop began to roll… and roll… and roll. It was a self-balancing wheel. Even stranger was that no one expected it to roll; Patrick’s loop actually looks square when it is rolling. A lifelong skater, Patrick then prototyped a skateboard wheel based on his design, this one comprised of side-by-side helical coils. He call it the Shark Wheel : (more…)
View original post here:
Uh, This Dude Re-Invented the Wheel. And It’s Kind of Square.