2001: A Space Odyssey (film) in science fiction films was sparked by Japanese tokusatsu films such as "Warning from Space" (1956). According to his biographer John Baxter, despite their "clumsy model sequences, the films were often well-photographed in colour ... and their dismal dialogue was delivered in well-designed and well-lit sets." Searching for a collaborator in the science fiction community, Kubrick was advised by a mutual acquaintance, Columbia Pictures staffer Roger Caras, to talk to writer Arthur C. Clarke, who lived in Ceylon. Although convinced that Clarke was "a recluse, a nut who lives in a tree", Kubrick allowed Caras to cable the film proposal
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