PR2 delivers mail at Willow Garage, a Silicon Valley firm that developed it as an easily customized research robot.

The PR2 robot was developed to be easily customized for research. Here it's being used to deliver mail.

Photograph by Max Aguilera-Hellweg, National Geographic

Robot Revolution? Scientists Teach Robots to Learn

For robots to really help humans, they'll need to learn more like we do.

ByBrian Handwerk
July 20, 2013

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