On their own, the individual components of the robot are basically just dumb pieces of steel. But using the magnetic field of an MRI machine, they can be manipulated and guided into doing very specific things.
A snakebot recently crawled up my leg. The engineers sort of grinned while I grimaced. I expect most robots to destroy me, but these snakebots are designed to do the opposite. And they could change robotics as we know it.
Your next surgery may be performed by a robot. It will be controlled by a doctor in the room, or perhaps by one miles away across the country. What’s truly extraordinary, though, is where these surgery robots came from.