"2001" is a story of evolution. Sometime in the distant past, someone or something nudged evolution by placing a monolith on Earth (presumably elsewhere throughout the universe as well). Evolution then enabled humankind to reach the moon's surface, where yet another monolith is found, one that signals the monolith placers that humankind has evolved that far. Now a race begins between computers (HAL) and human (Bowman) to reach the monolith placers. The winner will achieve the next step in evolution, whatever that may be.
Written by Larry Cousins
By the year 2001 some of the product placements had become outdated. RCA Whirlpool, the maker of the zero-gravity food preparation unit on the moon shuttle, had become Whirlpool. The Bell System had been divested and the long-distance service became AT&T. Pan Am had ceased operations as an international air carrier (in fact, the Whirlpool change had already happened by the time of the film's original release).
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Goofs
Factual errors:
When the astronauts on the moon are shown walking toward the unearthed sentinel, they are walking normally, as if on earth. The moon's gravity is one-sixth that of earth; hence, they should have appeared to "bounce" a bit when walking, as was seen in the later Apollo moon landings.
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"Thus Spake Zarathustra" is the only musical piece in the film whose conductor and orchestra are not mentioned in the closing credits. For all other pieces, the orchestra which plays it, and the conductor who leads it, are given screen credit.
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