Brad grew up in small town Illinois, playing outside all summer, building go-karts and tree houses in the woods. He went to the University of Illinois to study engineering and Carnegie Mellon for robotics. Later, he shrunk his focus: he began building tiny robots the size of a grain of sand. Now, Brad Nelson, PhD, is a Professor of Robotics and Intelligent Systems at ETH Zurich. He just published research in which he and his team navigated tiny robots to a precise spot in a large animal...