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 on the Rock bi-weekly" basis. Season One of "Sci-Fi on the Rock TV" was hosted by Steve Lake and Ellen Curtis, and ran from September 11, 2009 to May 2010. Season Two began in September 2010, with both hosts returning, until Ellen Curtis was replaced by Melanie Collins. Sci-Fi on the Rock held its fifth festival on April 15, 16 and 17, 2011, making this year the first time the organization launched a festival that spanned three days. It was held again at the St. John's Holiday Inn, and was kicked off with a book launch from festival co-founder Darren Hann, followed by