The robots are in their early stages of development. So they mess up quite a bit. They certainly aren't doing these tasks perfectly-at least not yet. That's because the data for AI to learn a variety of physical human tasks doesn't exist.

A paddle-wielding robot is so adept at playing table tennis that it is posing a tough challenge to elite human players and sometimes defeating them, according to a new study in the journal Nature that shows how advances in artificial intelligence are making robots more agile.