NASA’s International Space Station welcomes its first non-human crew member

The humanoid robot R2, developed by NASA and General Motors, was launched as part of the STS-133 mission  on the Discovery shuttle on February 24, 20011.  Up until last week R2 was asleep, packed away in its box but now R2 is active and ready to be up and running. R2 even  has its own twitter account!
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