Frasi di William Thomson

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William Thomson

Data di nascita: 26. Giugno 1824
Data di morte: 17. Dicembre 1907
Altri nomi:Lord William Thomson Kelvin,William Kelvin,William Thomson, 1. Baron Kelvin

Pubblicità

Lord William Thomson, I barone Kelvin, comunemente noto come Lord Kelvin , è stato un fisico e ingegnere britannico.

All'Università di Glasgow compì importanti lavori nell'analisi matematica dell'elettricità e della termodinamica, e diede un ampio contributo per unificare l'emergente disciplina della fisica nella sua forma moderna. È conosciuto per aver sviluppato la scala Kelvin, che misura la temperatura assoluta. Il titolo di Barone Kelvin gli fu conferito per merito delle sue scoperte, e deriva dal fiume Kelvin, che scorre presso la sua università scozzese di Glasgow. In seguito fece carriera come ingegnere ed inventore del telegrafo elettrico, che gli procurò una maggiore considerazione da parte dell'opinione pubblica e gli assicurò fama e ricchezza.

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Frasi William Thomson

Pubblicità

„The beauty and clearness of the dynamical theory, which asserts heat and light to be modes of motion, is at present obscured by two clouds.“

— William Thomson
Context: The beauty and clearness of the dynamical theory, which asserts heat and light to be modes of motion, is at present obscured by two clouds. I. The first came into existence with the undulatory theory of light, and was dealt with by Fresnel and Dr. Thomas Young; it involved the question, how could the earth move through an elastic solid, such as essentially is the luminiferous ether? II. The second is the Maxwell–Boltzmann doctrine regarding the partition of energy. From a 1900, April 27, , Sixth Series, 2, 1–40 (1901).

„I have not the smallest molecule of faith in aerial navigation other than ballooning“

— William Thomson
Context: I am afraid I am not in the flight for “aerial navigation”. I was greatly interested in your work with kites; but I have not the smallest molecule of faith in aerial navigation other than ballooning or of expectation of good results from any of the trials we hear of. So you will understand that I would not care to be a member of the aëronautical Society. As a response to Major B. F. S. Baden Powell's request to join the Aeronautical Society, December 8, 1896 http://zapatopi.net/kelvin/papers/letters.html#baden-powell. Often reproduced out of context and without citation to any primary source as "Heavier-than-air flying machines are impossible", like in The Experts Speak : The Definitive Compendium of Authoritative Misinformation (1984) by Christopher Cerf and Victor Navasky, p. 236

„To live among friends is the primary essential of happiness.“

— William Thomson
Lord Kelvin’s Replies to Addresses given on the Celebration of the Jubilee of his Professorship (June 15-17, 1896). Quoted in Lord Kelvin, Professor of Natural Philosophy in the University of Glasgow 1846-1899 (1899) by George F. Fitzgerald http://historical.library.cornell.edu/cgi-bin/cul.math/docviewer?did=03620002

„Symmetrical equations are good in their place, but 'vector' is a useless survival, or offshoot from quaternions, and has never been of the slightest use to any creature.“

— William Thomson
Letter to G. F. FitzGerald (1896) as quoted in A History of Vector Analysis : The Evolution of the Idea of a Vectorial System (1994) by Michael J. Crowe, p. 120<!-- also quoted in Vector Calculus (1976) by Jerrold E. Marsden and Anthony J. Tromba -->

„Quaternions came from Hamilton after his really good work had been done, and though beautifully ingenious, have been an unmixed evil to those who have touched them in any way.“

— William Thomson
Letter to Robert Baldwin Hayward (1892), as quoted in Energy and Empire : A Biographical Study of Lord Kelvin (1989) by Crosbie Smith and M. Norton Wise

Pubblicità

„Mathematics is the only true metaphysics.“

— William Thomson
As quoted by Silvanus Phillips Thompson, The Life of William Thomson, Baron Kelvin of Largs (1910) Vol. 2 https://books.google.com/books?id=S_PPAAAAMAAJ, p. 1124

Pubblicità

„Tesla has contributed more to electrical science than any man up to his time.“

— William Thomson
Statement of 1896, as quoted in Prodigal Genius : The Life of Nikola Tesla (2007) by James J. O'Neill

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