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Quote: the principle of least time: small changes to the path only make second-order changes to the time, i.e., there are many nearby paths which take almost exactly the same time
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Topic:
physics as computation
Topic:
light
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The correct statement [of the principle of least time] is the following: a … change … in the ray in any manner whatever, say … or anything, there will be no first-order change … the principle is that light takes a path … Google-1 Google-2
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Topic: physics as computation (31 items)
Topic: light (37 items)