Kuhn: science doesn't creep forward, it lurches between paradigms

Thomas Kuhn argued science isn't a steady pile-up of facts. Long stretches of 'normal science' get interrupted by revolutions, where an old paradigm collapses under its own anomalies and a new one replaces it wholesale. Scientists working in different paradigms, he claimed, can end up unable to even argue on common terms.

— Thomas Kuhn, The Structure of Scientific Revolutions — University of Chicago Press, 1962
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