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 his website that "The people of Newfoundland are extremely friendly. It was only the second time that Darren had put the 'Sci-Fi on the Rock' show on, and it was very well attended. Lots of costumes and games for the children and it seemed that everyone was having a good time". Sci-Fi on the Rock II featured a Charity Auction, which benefited the School Lunch Association. Items that had been placed for bid included a Limited Edition Star Wars T-shirt-and-Box Set which is not available in North America (donated by Jeremy Bulloch), a Lexx Prize pack, including many behind-the-scenes cuts