Mars Mountaineer+ Social Climber: Cliffbot is part of a three-rover team. Two other robots are tethered to the machine to let it access terrain as steep as 85 degrees.
+ Bot Specs: The rover is the size of a toy wagon, weighs nearly 18 pounds and creeps at 6 inches a second on level ground.
From Popular Mechanics:
In the icy north, scientists learn to sanitize their tools before sending out rovers to search for life on other planets.
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