Robots Dance and Play at World Robot Expo

"They could hit fastballs, draw portraits and be seen breathing. Not bad for robots. Even so, these droids of all shapes and sizes -- more than 60 on display at the World Expo on Thursday -- still need some work.

Their developers say it will be several years before robots that are designed to be part of everyday lives -- rather than serve as simple novelties -- take their place helping the sick, rescuing disaster victims and entertaining families. "

Read more in this livescience.com article.