Three Laws of Robotics before his death. These three books, "Caliban", "Inferno" and "Utopia", introduce a new set of the Three Laws. The so-called New Laws are similar to Asimov's originals with the following differences: the First Law is modified to remove the "inaction" clause, the same modification made in "Little Lost Robot"; the Second Law is modified to require cooperation instead of obedience; the Third Law is modified so it is no longer superseded by the Second (i.e., a "New Law" robot cannot be ordered to destroy itself); finally, Allen adds a Fourth Law which instructs the robot to do "whatever it likes"
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