mechanics

French physicist Léon Foucault was born #OTD in 1819.

He is best known for his demonstration of the Foucault pendulum, a device demonstrating the effect of Earth's rotation. With Hippolyte Fizeau he carried out a series of investigations on the intensity of the light of the sun, as compared with that of carbon in the arc lamp, and of lime in the flame of the oxyhydrogen blowpipe. His is one of the 72 names inscribed on the Eiffel Tower.

https://en.wikipedia.org/wiki/L%C3%A9on_Foucault

#physics #optics #mechanics

Portrait of Léon Foucault french physicist, astronomer(1819–1868).
Photograph by Bertall & Cie.

Foucault’s face is often characterized by a calm, serious expression, fitting for a scientist of his stature. His features, which include a high forehead and prominent nose, reflect the intellectual rigor and curiosity that drove his scientific work.

Foucault is depicted wearing formal attire, typically a dark coat and a high-collared shirt, as was customary for gentlemen and scholars in the 19th century.

Foucault is often portrayed with neatly styled hair, parted at the side, and a well-groomed beard or mustache.

Foucault is seated or standing in a formal pose with a book in his left hand.

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