2001: A Space Odyssey (comics) American comic book. The story is a close adaptation of the events of the film, but differs in the fact that Kirby incorporated additional dialog from two other sources: the Clarke/Kubrick novel and a copy of an earlier draft script of the film that included the more colloquial-sounding version of HAL 9000, as originally voiced by actor Martin Balsam before Douglas Rain took over. In addition, the comic narrative captions describe the characters' thoughts and feelings, a significantly different approach from that taken by the film. The treasury edition also contained a 10-page article entitled "2001: A Space Legacy" written
Technologies in 2001: A Space Odyssey adviser for the film. "2001" accurately presents outer space as not allowing the propagation of sound, in sharp contrast to other films with space scenes in which explosions or sounds of passing spacecraft are heard. "2001" portrayal of weightlessness in spaceships and outer space is also more realistic. Tracking shots inside the rotating wheel providing artificial gravity contrast with the weightlessness outside the wheel during the repair and Hal disconnection scenes. (Scenes of the astronauts in the "Discovery" pod bay, along with earlier scenes involving shuttle flight attendants, depict walking in zero-gravity with the help of velcro-equipped shoes labeled "Grip