Brownian Movement and Molecular Reality ... Translated from the Annales de Chimie Et de Physique ... by F. Soddy PDF Download
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Author: Jean PERRIN (Scientist.)
Publisher:
ISBN:
Category :
Languages : en
Pages :
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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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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:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 970
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Author: Jean Perrin
Publisher: Andesite Press
ISBN: 9781296498696
Category : History
Languages : en
Pages : 114
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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Walther Nernst
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 840
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Author: John Charles Olsen
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 702
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The issues for 1907 and 1909 contain a "Review of chemical literature."
Author: JEAN. PERRIN
Publisher:
ISBN: 9781033993705
Category :
Languages : en
Pages : 0
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