Three Laws of Robotics authorities such as doctors, teachers and so forth which equals the Second Law of Robotics. Finally humans are typically expected to avoid harming themselves which is the Third Law for a robot. The plot of "Evidence" revolves around the question of telling a human being apart from a robot constructed to appear human – Calvin reasons that if such an individual obeys the Three Laws he may be a robot or simply "a very good man". Another character then asks Calvin if robots are very different from human beings after all. She replies, "Worlds different. Robots are essentially decent." Asimov
Three Laws of Robotics Portal. For the 1986 tribute anthology, "Foundation's Friends," Harry Harrison wrote a story entitled, "The Fourth Law of Robotics". This Fourth Law states: In the book a robot rights activist, in an attempt to liberate robots, builds several equipped with this Fourth Law. The robots accomplish the task laid out in this version of the Fourth Law by building new robots who view their creator robots as parental figures. In reaction to the 2004 Will Smith film adaptation of "I, Robot", humorist and graphic designer Mark Sottilaro farcically declared the Fourth Law of Robotics to be "When turning evil, display