| dbo:abstract |
The year 1807 in science and technology involved some significant events, listed below. (en) * Le chimiste britannique Sir Humphry Davy isole les éléments chimiques sodium et potassium en réalisant l'électrolyse de la soude et de la potasse. * Le mathématicien William Wallace prouve que deux polygones d'une superficie égale sont géométriquement équidécomposables (théorème de Wallace-Bolyai-Gerwien). * Le danois Bertel Sanders dépose un brevet pour un système de bouton-pression. (fr) В 1807 году были различные научные и технологические события, некоторые из которых представлены ниже. (ru) |
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The year 1807 in science and technology involved some significant events, listed below. (en) * Le chimiste britannique Sir Humphry Davy isole les éléments chimiques sodium et potassium en réalisant l'électrolyse de la soude et de la potasse. * Le mathématicien William Wallace prouve que deux polygones d'une superficie égale sont géométriquement équidécomposables (théorème de Wallace-Bolyai-Gerwien). * Le danois Bertel Sanders dépose un brevet pour un système de bouton-pression. (fr) В 1807 году были различные научные и технологические события, некоторые из которых представлены ниже. (ru) |
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