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Joseph John Thomson, né le 18 décembre 1856 et mort le 30 août 1940, est un physicien britannique. Il a découvert l'électron ainsi que les isotopes et a inventé la spectrométrie de masse ; il a analysé la propagation d'ondes guidées.
Sir Joseph John Thomson OM FRS [ 1] (18 December 1856 – 30 August 1940) was a British physicist and Nobel Laureate in Physics, credited with the discovery of the electron, the first subatomic particle to be found.
2 févr. 2020 · JJ Thomson est le scientifique qui a découvert l'électron. Voici une brève biographie de Thomson et des faits intéressants sur sa théorie atomique.
19 juil. 2024 · J.J. Thomson, English physicist who helped revolutionize the knowledge of atomic structure by his discovery of the electron (1897). He received the Nobel Prize for Physics in 1906 and was knighted two years later. Learn more about his life, career, and legacy.
- George Paget Thomson
J.J. Thomson was a British physicist who discovered the electron and studied the structure of matter. He was a professor at Cambridge, a Fellow of the Royal Society, and a Nobel laureate in 1906.
Thomson, médiocre expérimentateur mais chercheur imaginatif, avait conçu dans son laboratoire de Cambridge un montage permettant de suivre la trajectoire de rayons issus d'un tube cathodique (l'ancêtre des tubes de télévision) et soumis à un champ magnétique ou électrique.
The British physicist Joseph John “J. J.” Thomson (1856–1940) performed a series of experiments in 1897 designed to study the nature of electric discharge in a high-vacuum cathode-ray tube, an area being investigated by many scientists at the time.
