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Gustav Kirchhoff

Gustav Kirchhoff (né le 12 mars 1824 à Königsberg, en province de Prusse-Orientale et décédé à Berlin le 17 octobre 1887) est l’un des plus grands physiciens du XIXe siècle, avec des contributions essentielles à l’électrodynamique, la physique du rayonnement et la théorie mathématique de l'élasticité.

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Gustav Kirchhoff : environ 398 lectures par jour, en 85 langues.

Un jour typique, sur 30 jours jusqu'au 10 novembre 2026

Le jour médian de la période comptée : une semaine d'actualité ne peut donc pas le faire bouger. La courbe en dessous montre les 400 derniers jours, un point par jour.

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Une vie en dates

1887Décès17 octobre 18871882“All heat rays follow the same laws in their propagation, which are known for light rays.”Ses propres motsof Bodies for Heat and Light. As quoted in The Laws of Radiation and Absorption: Memoirs by Prévost, Stewart, Kirchhoff, and Kirchhoff and

“Of the heat rays... sent... to a body by its surroundings a part are absorbed, the others are... varied by reflection and . The rays refracted and reflected... pass off...”Ses propres motsof Bodies for Heat and Light. As quoted in The Laws of Radiation and Absorption: Memoirs by Prévost, Stewart, Kirchhoff, and Kirchhoff and

“In certain cases an exception to this rule may occur... [when] absorption and the radiation produce other changes in the body.., for example in bodies...”Ses propres motsof Bodies for Heat and Light. As quoted in The Laws of Radiation and Absorption: Memoirs by Prévost, Stewart, Kirchhoff, and Kirchhoff and

“Such cases should be excluded on the assumption that neither by means of the rays which it radiates or absorbs, nor by... other influences... does the body...”Ses propres motsof Bodies for Heat and Light. As quoted in The Laws of Radiation and Absorption: Memoirs by Prévost, Stewart, Kirchhoff, and Kirchhoff and

“A ... must have the same as the medium... then there will be no reflection at its surface, and all incident rays... wholly absorbed.”Ses propres motsof Bodies for Heat and Light. As quoted in The Laws of Radiation and Absorption: Memoirs by Prévost, Stewart, Kirchhoff, and Kirchhoff and

1877Médaille DavyDistinctionMédaille MatteucciDistinctionOrdre bavarois de Maximilien pour la science et l'artDistinction1876Médaille CotheniusDistinction1875Membre étranger de la Royal SocietyDistinction1868Honorary Fellow de la Royal Society d'ÉdimbourgDistinction1862Médaille RumfordDistinction1824“Let a body which satisfies these conditions be surrounded by an enclosure, having the same temperature [and kept constant], through which no heat rays can penetrate...”Ses propres motsNotes: Carnot's Reflections on the Motive Power of Heat (1824): The production of motion in steam-engines is always accompanied by... the

Naissance12 mars 1824

Autour de Gustav

Médias et musique

Photos 8

Citations 4

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Gustav Kirchhoff
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4 déclarations, les plus récentes d'abord
  1. Heat rays have the same nature as light rays... The invisible heat rays are distinguished from light rays only by the period of or the wave length.

    1882 · of Bodies for Heat and Light. As quoted in The Laws of Radiation and Absorption: Memoirs by Prévost, Stewart, Kirchhoff, and Kirchhoff and, Ses propres mots

  2. Through the radiations... a body sends out, the quantity of ... it contains will... sustain a loss... equivalent to the of those rays, and through the heat rays...

    1882 · of Bodies for Heat and Light. As quoted in The Laws of Radiation and Absorption: Memoirs by Prévost, Stewart, Kirchhoff, and Kirchhoff and, Ses propres mots

  3. This investigation will be... simplified if we imagine the enclosure... composed...

    1882 · of Bodies for Heat and Light. As quoted in The Laws of Radiation and Absorption: Memoirs by Prévost, Stewart, Kirchhoff, and Kirchhoff and, Ses propres mots

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Distinctions

Médaille Matteucci1877
Ordre bavarois de Maximilien pour la science et l'art1877
Médaille Davy1877
Médaille Cothenius1876
Membre étranger de la Royal Society1875
Honorary Fellow de la Royal Society d'Édimbourg1868
Médaille Rumford1862
Ordre Pour le Mérite pour les sciences et arts

À propos de cette personne

Catégorie
Scientifiques
Type
Scientifique
Statut
Décédé(e)
Dates
1824 - 1887 · 63 ans