Opening doors on the way to a personal robot

Consider it one small step — or a roll, actually — for a robot, one not giant, but significant step for robotics.

Willow Garage, a Silicon Valley robotics research group, said that its experimental PR2 robot, which has wheels and can travel at speeds up to a mile and a quarter per hour, was able to open and pass through 10 doors and plug itself into 10 standard wall sockets in less than an hour. In a different test, the same robot completed a marathon in the company’s office, traveling 26.2 miles. PR2 will not compete with humans yet; it took more than four days.

Read more at The New York Times.