Three Laws of Robotics robot's entire developing consciousness is based. This concept is largely fuzzy and unclear in earlier stories depicting very rudimentary robots who are only programmed to comprehend basic physical tasks, where the Three Laws act as an overarching safeguard, but by the era of "The Caves of Steel" featuring robots with human or beyond-human intelligence the Three Laws have become the underlying basic ethical worldview that determines the actions of all robots. In the 1990s, Roger MacBride Allen wrote a trilogy which was set within Asimov's fictional universe. Each title has the prefix "Isaac Asimov's" as Asimov had approved Allen's outline
Sci-Fi Dine-In Theater Restaurant 2,200 people daily during peak periods, making it the park's most popular restaurant. Thai movie theater operator EGV Entertainment opened the EGV Drive-in Cafe in Bangkok in 2003, in a very similar style to the Sci-Fi Dine-In. The Sci-Fi Dine-In has received mixed reviews. "USA Today"s list of the best restaurants in American amusement parks ranks the Sci-Fi Dine-In fifteenth, but many reviewers rate it more highly for its atmosphere than for its cuisine. Ed Bumgardner of the "Winston-Salem Journal" wrote that the food is more expensive than it is worth, specifically calling the restaurant's roast beef sandwich both delicious