KEIHANNA, JAPAN — With little more than a train station and a few government buildings, the sleepy town of Keihanna is a far cry from the dazzling celluloid cityscapes of Fritz Lang's Metropolis and Ridley Scott's Blade Runner. But just as in those classics of science fiction, futuristic robots are coming to life here -- androids that are astonishingly realistic, and could challenge our ideas of what we consider human. Hiroshi Ishiguro is at the forefront of designing machines that look just like us. The senior researcher at Keihanna's ATR Intelligent Robotics and Communication Laboratories drew headlines around the world...