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 (G.I. Joe) Sci-Fi (G.I. Joe) Sci-Fi is a character from the toyline, comic books and cartoon series. He is the G.I. Joe Team's laser trooper and debuted in 1986. His real name is Seymour P. Fine, and his rank is that of corporal E-4. Sci-Fi was born in Geraldine, Montana. Sci-Fi's primary military specialty is infantry, and his secondary military specialty is electronics. Sci-Fi is known for being patient and taking his time, traits which aid him in aiming a laser over long distances for extended periods of time. When Sci-Fi braces his weapon and sights in on a target, he becomes