Three Laws of Robotics settlers on new Spacer worlds may lead to the robots seeing themselves as the true humans, and deciding to keep the worlds for themselves rather than allow the Spacers to settle there. "—That Thou Art Mindful of Him", which Asimov intended to be the "ultimate" probe into the Laws' subtleties, finally uses the Three Laws to conjure up the very "Frankenstein" scenario they were invented to prevent. It takes as its concept the growing development of robots that mimic non-human living things and given programs that mimic simple animal behaviours which do not require the Three Laws. The presence of
Sci-Fi on the Rock Apart from the media guest Q&A's, autographs and photo sessions, there are many other workshops during the festival, these change yearly but in the past have included: Making its first appearance at Sci-Fi on the Rock 2009, the Cantina is an informal concert/variety show held on one of the evenings of the festival. Performers opt to play Sci-Fi related music, known as Filk, but that is not always the case. The Cantina features performances by musicians involved with the festival, an open mic, and there is an improvised acting piece prepared that audience members are call upon to perform. The