In 1995, roboticists Hiroaki Kitano, Minoru Asada, Yasuo Kuniyoshi, Itsuki Noda, and Eiichi Osawa proposed a new initiative - a robotic world cup, where teams of robots competed in a soccer game. Two years later that dream was realised in the Japanese city of Nagoya, and has been held annually ever since in a variety of cities around the world. This...