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So, Descartes would walk around the French Royal Gardens
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and the French Royal Gardens were set up
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like a seventeenth-century Disneyland.
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They had these characters
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that would operate according to water flow
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and so if you stepped on a certain panel,
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a swordsman would jump out with a sword.
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If you stepped somewhere else,
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a bathing beauty would cover herself up behind some bushes.
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And Descartes said,
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"Boy, these machines respond in certain ways
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to certain actions