Roboworld is now open at the Carnegie Science Center in Pittsburgh. Billed as the largest robotics exhibition in the United States, it includes robots you can play air hockey and basketball with, and a number who demonstrate the basics of robotic senses. There are also some famous Film Bots, such as C-3PO from Star Wars and Maria from Metropolis, as well as Gort, Robby, and Dewey. The Post-Gazette has a nice little video introduction to the exhibit, if you don’t mind sitting through a short commercial first. And then there is Robot Truth