Brownian Movement and Molecular Reality ... Translated from the Annales de Chimie Et de Physique ... by F. Soddy PDF Download

Author: Jean PERRIN (Scientist.)
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: M. Jean Perrin
Publisher:
ISBN:
Category : Brownian movements
Languages : en
Pages : 0

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Author: Jean Perrin
Publisher:
ISBN:
Category : Brownian movements
Languages : en
Pages : 110

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Book Description

Author: Jean Perrin
Publisher:
ISBN:
Category : Brownian movements
Languages : en
Pages : 110

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Author: Raghav Seth
Publisher:
ISBN: 0190098023
Category : Philosophy
Languages : en
Pages : 469

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Book Description
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. The experiments were successful in determining the mean kinetic energy of the granules of Brownian motion; however, the values for molecular magnitudes Perrin inferred from them simply presupposed that the granule mean kinetic energy was the same as the mean molecular kinetic energy in the fluid in which the granules move. This stipulation became increasingly questionable in the years between 1908 and 1913, as significantly lower values for these magnitudes were obtained from other experimental results like alpha-particle emissions, ionization, and Planck's blackbody radiation equation. In this case study in the history and philosophy of science, George E. Smith and 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 was actually Perrin more than any of his contemporaries who championed this approach during the years in question. The practice of theory-mediated measurement in physics had a long history before 1900, but the concerted efforts of Perrin, Rutherford, Millikan, Planck, and their colleagues led to the central role this form of evidence has had in microphysical research ever since. Seth and Smith's study thus replaces an untenable legend with an account that is not only tenable, but more instructive about what the evidence did and did not show.

Author: Jean Perrin
Publisher: Andesite Press
ISBN: 9781296498696
Category : History
Languages : en
Pages : 114

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Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 970

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Author: JEAN. PERRIN
Publisher:
ISBN: 9781033993705
Category :
Languages : en
Pages : 0

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Author: Robert L Dewar
Publisher: World Scientific
ISBN: 981446757X
Category : Science
Languages : en
Pages : 399

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This book arose from a conference organized under the auspices of the Australian Research Council's Complex Open Systems Research Network (which has become the most prominent for complex systems in the world — just Google “complex systems network”), the ANU Centre for Complex Systems, and the Asia-Pacific Center for Theoretical Physics. The book is unique in the scope of its coverage of applications of complex systems science: Extraterrestrial — astrophysical, solar and space plasmas; Earth System — climate, ecosystems; Human systems — brain dynamics, social networks, financial statistics, advanced technologies.It also presents up-to-date discussions of new theoretical approaches, in particular those based on entropy and entropy production maximization, a field still under development but with much promise for providing a much-needed unifying principle for complex systems science.The authors are at the forefront of their fields, and organized their chapters to effectively bring out common features of complex systems. A comprehensive and common lexicon of keywords has been used to unify indexing, thus making the book an invaluable introduction to anyone seeking an overview of complex systems science.

Author: Edward Nelson
Publisher: Princeton University Press
ISBN: 0691219613
Category : Mathematics
Languages : en
Pages : 148

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Book Description
These notes are based on a course of lectures given by Professor Nelson at Princeton during the spring term of 1966. The subject of Brownian motion has long been of interest in mathematical probability. In these lectures, Professor Nelson traces the history of earlier work in Brownian motion, both the mathematical theory, and the natural phenomenon with its physical interpretations. He continues through recent dynamical theories of Brownian motion, and concludes with a discussion of the relevance of these theories to quantum field theory and quantum statistical mechanics.