Three Laws of Robotics card-readers in "The Caves of Steel" have a capacity of only a few kilobytes per square centimeter of storage medium. "Aurora", in particular, presents a sequence of historical developments which explains the lack of nanotechnology — a partial retcon, in a sense, of Asimov's timeline. There are three Fourth Laws written by authors other than Asimov. The 1974 Lyuben Dilov novel, "Icarus's Way" (a.k.a., "The Trip of Icarus") introduced a Fourth Law of robotics: Dilov gives reasons for the fourth safeguard in this way: "The last Law has put an end to the expensive aberrations of designers to give psychorobots
Sci-Fi on the Rock highest score is crowned "Ultra Geek". Mark Downey was crowned as the first Sci-Fi on the Rock Ultra Geek on April 1, 2007. Dr. Glyn George, a MUN professor and Doctor Who and Star Trek enthusiast, was crowned on April 20, 2008. He later abdicated his throne, as he became involved in the planning of Sci-Fi on the Rock, retiring from the competition undefeated. Newfoundland's Ultra Geek for 2009, crowned at Sci-Fi on the Rock 3, was Chickie Who. They, too, retired undefeated. Andrew O'Brien was crowned as Newfoundland's fourth Ultra Geek on April 18, 2010. Unlike his predecessors, he