From sea to space, this robot is on a roll
Texas A&M researchers have revived a 20-year-old NASA concept for a spherical robot called RoboBall that can navigate terrain impossible for traditional wheeled or legged machines. The current prototypes include a 2-foot version for testing and a 6-foot model designed to carry sensors and cameras, with the smaller version recently reaching speeds of 20 mph. Graduate students are preparing beach trials in Galveston...