Bøger af George E. (Professor of Philosophy Smith
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1.449,95 kr. Between 1905 and 1913, French physicist Jean Perrin's experiments on Brownian motion ostensibly put a definitive end to the long debate regarding the real existence of molecules, proving the atomic theory of matter. While Perrin's results had a significant impact at the time, later examination of his experiments questioned whether he really gained experimental access to the molecular realm. In this case study in the history and philosophy of science, George E. Smithand Raghav Seth here argue that despite doubts, Perrin's measurements were nevertheless exemplars of theory-mediated measurement-the practice of obtaining values for an inaccessible quantity by inferring them from an accessible proxy via theoretical relationships between them. They argue that it wasactually Perrin more than any of his contemporaries who championed this approach during the years in question.
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- 1.449,95 kr.