Mars Rovers are big, expensive and prone to damage -- that's why a team from Carleton University is developing the Kapvik micro-rover. Kapvik is designed as a remote-operated sidekick to the primary rover, capable of being dispatched as a scout or to handle side-missions on its own. After the Spirit Rover was trapped in soft soil and lost, the smaller bots will include tethers to pull bigger robots out of trouble -- reducing the chances of losing millions of dollars worth of equipment (and breaking m
