Imagine a world ruled by artificial intelligence where humans have been wiped out. This is no sci-fi fantasy. We're fast approaching the moment when machines will be smarter than we are! We need a plan to stay on top and Dr. Michio Kaku is on the case. He's recruited help from some of America's top experts. Technology guru Marshall Brain thinks we may be only 40 years away from what scientists call 'The Singularity'. Michio considers AI researcher Ben Goertzel's proposal for a nanny artificial intelligence that will keep track of any rogue machine with a grudge against humanity. It's certainly one solution — but Michio's final design is even more audacious...