Could the Tumbleweed Rover dominate Mars? MSNBC

Before Mars can become the next great frontier for human exploration, we need to send more robotic missions to gather as much information as possible about our planetary neighbor. But what kind of robot has the right combination of weight, cost and range, while still being able to carry out groundbreaking science?
Cue the Tumbleweed Mars rover, an ingenious concept vying for attention in the hope of becoming an entirely different method to explore vast regions of the Martian surface, one that rolls across the surface instead of six-wheeling.