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 Valley Con contest. In addition, the convention even featured a life-size home made Stargate at its entrance. Sci-Fi Valley Con, Part 2 was held on May 17–19, 2013 in Altoona, Pennsylvania at the Jaffa Shrine Center. Over 2,000 visitors came out over the three days to support the event. An exact number cannot be given because it is reported that the promoter sold out of admission wristbands early Saturday evening of the convention and had to use left over wristbands from the previous year. <br> This was the first year for the conventions "indie sci-fi/horror film festival". Many films were submitted for