Instead of having a robot fix a toilet, for example, astronauts need to be trained as space toilet plumbers in case the lavatory on the station breaks down (which it often does). NASA's Robonaut ...

Not to be mistaken for a spaghetti-legged member of Daft Punk, NASA's Robonaut 2 was actually the first humanoid robot ever sent to space. Clip: And are you sure this guy isn't related to Hal?

The G30 Space, however, brings a five-axis robotic arm into the mix. This arm allows it to pick up small objects like socks or toys before vacuuming—something most robots struggle with.