Artificial Intelligence could kill us. The idea of machines developing intelligence, 'becoming sentient' is now such a well worn sci-fi trope as to have almost become a cliche. In '2001: A Space Odyssey' the spaceship's computer Hal9000 becomes self-aware and silently murders the sleeping crew. In 'The Terminator' the malign robot is Skynet, which starts a nuclear war in order to wipe out humanity. In 'The Matrix', The Architect plays a similar role. In all of these stories t