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 Dine-In Theater Restaurant Cafe shows entire short films. In 2014, NBCUniversal opened a new Universal Orlando hotel called Cabana Bay Beach Resort, which houses the Bayliner Diner, a restaurant that borrows its premise from the Sci-Fi Dine-In. Both restaurants play old film footage on a loop. The Sci-Fi Dine-In has received mixed reviews. Jack Hayes of "Nation's Restaurant News" calls the Sci-Fi Dine-In "wacky" and "on the cutting edge of sheer dining fun". In "USA Today"'s list of the sixteen best restaurants in American amusement parks, the Sci-Fi Dine-In ranks fifteenth. Samuel Muston of "The Independent" writes that the Sci-Fi Dine-In is "memorable