Robotic motion in curved space defies standard laws of physics

Scientists have built a robot that defies the standard laws of physics and could eventually help humans travel around black holes.The experiment was done by placing a ‘swimmer’ on a sphere with actuated motors on a freely rotating boom arm.Nasa has been working on such an engine, called an EmDrive, since 2015, but has not produced any beneficial results yet.Source: Proceedings of the National Academy of Sciences