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
Sci-Fi-London night (with the aid of ice-cream and caffeine drinks). In late 2008, SCI-FI-LONDON hosted its very first Oktoberfest: a one-day festival featuring new films and all-nighters, held at its regular London venue: the Apollo Piccadilly Circus. A second Oktoberfest was held on 23/24 October 2009, with a third on the 14-16 October 2010, at The Royal Observatory, Greenwich, the Royal Society and the Apollo Piccadilly Circus. On occasion, SCI-FI-LONDON has also hosted other events, either outside London, or at other times of the year. In 2005, SCI-FI-LONDON took its feature films, short films and all-nighters On Tour, to Edinburgh, Liverpool,