R2 tweeted about its experience "waking up" on the ISS and is now actively sharing other comments about its life on the ISS on Twitter.
It's also answering questions from followers that provide information about how the robot operates and the tasks it will be performing while on board the space station.
From its tweets, people can learn that the robot is not manning the computer on his own ("The team that created me helps me tweet"); that it has no legs at the moment but that eventually will be getting some ("I will be getting some legs to help me move around in zero-g"); and that the robot has some autonomy ("I require ground control, but I can also respond to my environment within controlled specifications.").
R2's tweets also reveal that astronauts will begin testing the 3-foot, 4-inch, 330-pound robot's movements on Sept. 1, and that the robot is operating from the ISS's Destiny module.
NASA and GM spent $2.5 million building R2, currently the most advanced of the four robots in NASA's Robonaut program.
Once R2 is more fully functional on the ISS, the robot will perform mundane tasks for astronauts such as setting up their work sites so they can focus on other things. An experimental machine, the robot's mission is to mainly show NASA how highly dexterous anthropomorphic robots--the agency's term for the type of machine R2 is--perform in space.
Eventually, NASA hopes future versions of Robonauts will perform more advanced tasks, such as spacewalks and repairs to the space station. At this time the agency has no plans to remove R2 from the ISS.
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