Quote:
Originally Posted by jj_0001
Um, how is, for instance, relativity, a radical departure from Newton? It's an enhancement, yes, but "radical departure" seems, well, brash.
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It discards the notion of absolute space, and also removes the idea that the measurements of clocks and rulers can be considered independent of their motion. It also postulates that the measured speed of certain types of things will be found to have the same value regardless of how the observer is moving. Newton would have considered all of those to be a radical departure from his ideas about motion.