Oct 7, 2016 @ 11:40 |  Spherical Induction Motor (SIM) Eliminates Robot’s Mechanical Drive System In 2005 Prof. Ralph Hollis invented the first BallBot, an elegantly simple robot whose tall, thin body glides atop a sphere slightly smaller than a bowling ball. It was patented in 2010. The latest version of that BallBot is SIMbot. Researchers […]