Practice might be the way for human musicians to get to Carnegie Hall, but if you're a robot, it's not so tough -- as long as your programmers have given you the proper advantages. Meet the Z-Machines ...

Watch a video of this robotic guitar hero, tiny.cc/mocHR Video of another Guitar-Hero-playing system from Cyth Systems, tiny.cc/frwUC Engineering student Peter Nikrin got a bit upset when his friend ...