have physics of the world. you don't know what your opponent will do. >> reporter: another set of students create humanoid robots. >> it will send a message to tell the teammates i saw a ball here. >> reporter: at robocup you create a team of robots that can beat a human team by the year 2050. deborah feyerick, cnn. >> there it is. next thing we'll hear about is skynet and we're all doomed. top stories coming your way after the break. stay with us.