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 Investigates they can about the particular legend or phenomena an episode focuses on. They meet with local residents, listen to eye-witness reports, study documentation, conduct forensic experiments on physical evidence, and conduct on-location archaeological studies. At the end they review and discuss their findings and each investigator gives their opinions from different points-of-view. Each episode is an hour long, including commercials. The Cryptomundo blog by Mothman researcher Loren Coleman is an indepth criticism of the October 26, 2006, "Sci-fi Investigates" broadcast's "Mothman" episode. Coleman wrote that while it had a few moments that are pure entertainment and certainly funny, it had