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 and a ripoff. In their book "Vegetarian Walt Disney World and Greater Orlando", Susan Shumaker and Than Saffel call the Sci-Fi Dine-In "the wackiest dining experience in any Disney park". The Sci-Fi Dine-In, located on Commissary Lane across from "Star Tours" and adjacent to ABC Commissary, opened on April 20, 1991 as one of the twenty new attractions opened at Walt Disney World to mark the complex's twentieth anniversary. The restaurant was created with a strong emphasis on theme, in emulation of the 50's Prime Time Café, which had opened two years prior. Disney hoped that the focus on theme