Interpretations of 2001: A Space Odyssey the myriad mysteries of cosmic intelligence anathema. The film has been seen by many people not only as a literal story about evolution and space adventures, but as an allegorical representation of aspects of philosophical, religious or literary concepts. Friedrich Nietzsche's philosophical tract "Thus Spoke Zarathustra", about the potential of mankind, is directly referred to by the use of Richard Strauss's musical piece of the same name. Nietzsche writes that man is a bridge between the ape and the Übermensch. In an interview in the "New York Times", Kubrick gave credence to interpretations of 2001 based on "Zarathustra" when he
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