Do you think you are pretty good at rock, paper, scissors? Well, the Japanese have created a robot at the University of Tokyo that wins every time. It has a super fast sensor that knows what your hand puts out and reacts to it so quickly that it has a 100% victory rate. Its name is the Janken robot which is Japanese for rock, paper, scissors. Maybe it should stand for cheater. Here is the Janken robot in action and here is some more information about it.