
Engineering is catching up to science fiction. Robots are starting to resemble people. Just about everybody remembers C3PO, one of Luke Skywalker’s robot sidekicks in Star Wars. Well, guess what? NASA is catching up, with a robot the space agency has dubbed R2, short for Robonaut 2. R2 doesn’t talk too well, but it looks a lot like the prissy movie robot. From the waist up, anyway. And it can use its hands to do almost anything a human astronaut can do. Far more than earlier humanoid robots.
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