Atomic Nuclear Physics

J. J. Thomson and the discovery of the electron by E. A. Davis

By E. A. Davis

1997 observed the centenary of 1 of crucial moments in smooth physics - the invention of the electron. This quantity maps the lifestyles and success of J.J. Thomson, with specific specialise in his rules and experiments resulting in the landmark discovery. A foreword by way of J.J. Thomson's grandson, David Thomson, offers precious insights into Thomson's character, whereas the replica of unique papers permits the reader to understand Thomson's personal type and state of mind. The e-book describes his early years and schooling, then taking us via his profession at Cambridge, first as a Fellow of Trinity university, later as head of the Cavendish Laboratory and at last as grasp of Trinity and nationwide spokesperson for technological know-how.

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References Cambridge University Library holds an important collection of Thomson manuscripts, classmark ADD 7654, referred to here as CUL ADD 7654, followed by the particular manuscript number. Thomsonâ s work on Gaseous Discharge, PhD Thesis, 1985, University of Bath. , Recollections and Reflections, 1936, London: Bell. Reprinted 1975, New York: Arno, p. 21. Page references given refer to the later edition. Thomson and the Cavendish Laboratory in his Day, 1964, London: Nelson, p. 24. [3] See reference [1], pp.

1. THE theory that the properties of bodies may be explained by supposing matter to be collections of vortex lines in a perfect fluid filling the universe has made the subject of vortex motion at present the most interesting and important branch of Hydrodynamics. This theory, which was first started by Sir William Thomson, as a consequence of the results obtained by Helmholtz in his epoch-making paper â Ueber Integrate der hydrodynamischen Gleichungen welche den Wirbelbewegungen entsprechenâ has à priori very strong recommendations in its favour.

Thomson and the Discovery of the Electron < previous page Page 16 page_16 31 next page > branch of pure maths, astronomy or natural philosophy. The subject was set in advance and was generally of topical interest. In 1882 the subject set was â A general investigation of the action upon each other of two closed vortices in a perfect incompressible fluidâ . As Thomson recalled, this was a subject that immediately appealed to him: I was greatly interested in vortex motion since Sir William Thomson had suggested that matter might be made up of vortex rings in a perfect fluid [the ether], a theory more fundamental and definite than any that had been advanced before.

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