Autonomous ground vehicles, meanwhile, still have difficulty negotiating obstacles that a human driver wouldn’t give a second thought, said Pilarski, a staff member at Carnegie Mellon University’s National Robotics Engineering Center in Pittsburgh.For example, a Marine driver would plow through a windblown shopping bag and keep going. A robot, peering at the world through its infrared and laser sensors, has no way of telling if the looming object weighs a few grams or 100 pounds, or whether it’s inanimate or living.
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