Interpretations of 2001: A Space Odyssey machines". Kubrick was also confronted with the fact that, during the production of the film, the US and USSR had agreed not to put any nuclear weapons into outer space by signing the Outer Space Treaty. Alexander Walker in a book he wrote with Kubrick's assistance and authorisation, states that Kubrick eventually decided that as nuclear weapons the bombs had "no place at all in the film's thematic development", now being an "orbiting red herring" which would "merely have raised irrelevant questions to suggest this as a reality of the twenty-first century". In the Canadian TV documentary "2001 and Beyond",
2001: A Space Odyssey (film) in the 2.21:1 aspect ratio. The general release of the film in its 35mm anamorphic format took place in autumn 1968 and used either a four-track magnetic stereo soundtrack or an optical monaural soundtrack. The original 70-millimetre release, like many Super Panavision 70 films of the era such as "Grand Prix", was advertised as being in "Cinerama" in cinemas equipped with special projection optics and a deeply curved screen. In standard cinemas, the film was identified as a 70-millimetre production. The original release of "2001: A Space Odyssey" in 70-millimetre Cinerama with six-track sound played continually for more than a