Students' robots to race in mock Mars rover challenge

SALT LAKE CITY -- What does it take to build and command a vehicle capable of exploring Mars? Ninety students from around the world are about to find out. Next week, in a remote desert in southern Utah, 10 teams from the United States, Canada, India and Poland will compete in the annual University Rover Challenge. The competition is hosted by the Mars Society, a non-profit research organizati...