Technologies in 2001: A Space Odyssey well, such as a nervous breakdown—as Hal did in the film. Clarke noted that, contrary to popular rumor, it was a complete coincidence that each of the letters of Hal's name immediately preceded those of IBM in the alphabet. The meaning of HAL has been given both as "Heuristically programmed ALgorithmic computer" and as "Heuristic ALgorithmic computer". The former appears in Clarke's novel of "2001" and the latter in his sequel novel "2010". In computer science, a heuristic is a programmable procedure not necessarily based on fixed rules, producing informed guesses often using trial-and-error. The results can be false such
2001: A Space Odyssey (film) in "The Greenwood Encyclopedia of Science Fiction and Fantasy", titled "Sense of Wonder," describes how "2001" creates a "numinous sense of wonder" by portraying a universe that inspires a sense of awe but that at the same time we feel we can understand. Christopher Palmer wrote that "the sublime and the banal" coexist in the film, as it implies that to get into space, people had to suspend the "sense of wonder" that motivated them to explore it. The influence of "2001" on subsequent filmmakers is considerable. Steven Spielberg, George Lucas and others, including many special effects technicians, discuss the