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 SKANE and Bergman Rock is present both in the music and in the lyrics. So far Sci-Fi SKANE has released two singles: a cover of Canned Heat's "Going Up The Country" called "Jag har aldrig bott vid en landsväg" and another song called "Vi kommer försent till bluesen". The duo's debut album "Känslan av att jorden krymper växer" ("the feeling that the Earth shrinks grows") was to be released in Sweden by Silence Records on November 16, 2005, but due to errors in the printing of its phosphorescent cover, the release was delayed. Sci-Fi SKANE Sci-Fi SKANE is a musical collaboration