Quantum redactiones paginae "Gulielmus Thomson, baro Kelvinus" differant

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[[Imago:Kelvin-1200-scale1000.jpg|thumb|GuilielmusGulielmus Thomson, Primusbaro Baro KelvinisKelvin]]

'''GuilielmusGulielmus Thomson, Primusprimus Barobaro Kelvinis,Kelvin''' (natus die [[26 Iunii]] [[1824]]; mortuus die [[17 Decembris]] [[1907]]), [[physica|physicus]] mathematicus et ingeniarius, hodie praeclarrisumuspraeclarissimus est non solum quia gradus [[Kelvin (unitas)|temperaturae absolutae]] invenit<ref>

Anno [[1851]] unampriscam formam [[Secunda lex thermodynamicae|secundae legis thermodynamicae]] statuithis cumverbis scripsitstatuit:

:''Non est possibile, nisi facultas immaterialis intercedit, phaenomenon mechanicae derivare exe cuiusquam materiae parte quam frigescimus sub frigidissima tempuratura corporiumcorporum circumspositorumcircumpositorum.''<ref>[[Anglice]]: "It is impossible, by means of inanimate material agency, to derive mechanical effect from any portion of matter by cooling it below the temperature of the coldest of the surrounding objects," W. Thomson, "On the dynamical theory of heat; with numerical results deduced from Mr. Joule's equivalent of a thermal unit and M. Regnault's observations on steam," Math. and Phys. Papers '''1''' (1851) p.179.</ref>

Suis cum [[Iacobus Prescott Ioule|Iacobo Ioule]] operis de caloris natura annos [[1852]]-[[1856]] theoriam kineticam caloris magnopere statuit.<ref>W. Thomson, "On the thermal effects of fluids in motion, " Math. and Phys. Papers '''1''', pp. 333-455 (1856).</ref> Annos [[1855]]-[[1856]] Thomson quoque cum Petro Guthrie Tait collaboravit et scripsit suorum magnum "Detractatus de Philosophia Naturali" qui novam disciplinam physicae unificabat sub sententia energiae.<ref>W. Thomson et P. G. Tait, ''Treatise on Natural Philosophy'', Oxford, 1867.</ref>