ray light know ultimately end choose direction begin moving in””Fermat — Ted Chiang, Story Life

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The ray of light has to know where it will ultimately end up before it can choose the direction to begin moving in""Fermat's principle sounds weird because it describes light's behavior in goal-oriented terms. It sounds like a commandment to a light beam: "Thou shalt minimize or maximize the time taken to reach thy destination.

Ted Chiang, Story of Your Life

Related Authors: Ted Chiang | Story of Your Life

Related Topics: arrival, fermat-s-principle, free-will, futurism, philosophy, physics, science, science-fiction, time

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