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"[8] A second unambiguous prediction of Torricelli's sea of air hypothesis was made by Blaise Pascal, who argued, and proved, that the mercury column of the barometer should drop at higher elevations. He then entered young Torricelli into a Jesuit College in 1624, possibly the one in Faenza itself, to study mathematics and philosophy until 1626, by which time his father, Gaspare, had died. The column of mercury fell to about 76 centimetres (30 in), producing a Torricellian vacuum above. The all-important evidence came from Torricelli’s discovery that air could support a column of mercury of about 30 inches high. Torricelli developed further the method of indivisibles of Cavalieri. 0 "[7] Sixty-eight years after Torricelli had died, his genius still filled his contemporaries with admiration, as evidenced by the anagram below the frontispice of Lezioni accademiche d'Evangelista Torricelli published in 1715: En virescit Galileus alter, meaning "Here blossoms another Galileo.".

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By using ThoughtCo, you accept our, How a Barometer Works and Helps Forecast Weather, Air Pressure and How It Affects the Weather, How to Make a Storm Glass to Predict the Weather, A Guide to the Tools Used to Measure the Weather World, How to Make a Kids Weather Station at Home. He found that water leaks out a small hole in the bottom of a container at a rate proportional to the square root of the depth of the water. E Bortolotti, L'Opera geometrica di Evangelista Torricelli. Evangelista Torricelli was a famous Italian mathematician and physicist who invented the barometer and laid the foundation of integral calculus. (It is possible however that Torricelli carried out the mercury experiment first, and then formulated his sea of air hypothesis[18]). Torricelli filled a four-foot long glass tube with mercury and inverted the tube into a dish.

Indeed, it dropped slightly on top of a 50-meter bell tower, and much more so at the peak of a 1460-meter mountain. Evangelista Torricelli was born October 15, 1608, in Faenza, Italy and died October 22, 1647, in Florence, Italy. It is almost certain that Torricelli was taught by Castelli. Other pages about Evangelista Torricelli: Other websites about Evangelista Torricelli: Honours awarded to Evangelista Torricelli, Written by J J O'Connor and E F Robertson, If you have comments, or spot errors, we are always pleased to, http://www.britannica.com/biography/Evangelista-Torricelli, History Topics: A history of the calculus. 2 He was a physicist and mathematician.

A Agostini, Problemi di massimo e minimo nella corrispondenza di E Torricelli. [5][6] [7] It was in Rome that Torricelli also became friends with two other students of Castelli, Raffaello Magiotti and Antonio Nardi. A Agostini, I baricentri trovati da Torricelli. ⋯ "Evangelista Torricelli found that water leaks out a small hole in the bottom of a container at a rate proportional to the square root of the depth of the water. The reason for this was that Torricelli's mother, Caterina Angetti died. )[12], However his work on the cycloid involved him in a controversy with Gilles de Roberval, who accused him of plagiarizing his earlier solution of the problem of its quadrature. The solution to the suction pump puzzle and the discovery of the principle of the barometer and altimeter have perpetuated Torricelli's fame with terms such as "Torricellian tube" and "Torricellian vacuum". He left all his belongings to his adopted son Alessandro. Evangelista Torricelli (/ˌtɔːriˈtʃɛli/ TORR-ee-CHEL-ee,[2] also US: /ˌtɔːr-/ TOR-,[3] Italian: [evandʒeˈlista torriˈtʃɛlli] (listen); 15 October 1608 – 25 October 1647) was an Italian physicist and mathematician, and a student of Galileo.

Several Italian Navy submarines were named after Evangelista Torricelli: His original manuscripts are preserved at Florence, Italy. [9] This was seen as an "incredible" paradox by many at the time, including Torricelli himself, and prompted a fierce controversy about the nature of infinity, also involving the philosopher Hobbes. Seeing his talents, his parents sent him to be educated in Faenza, under the care of his uncle, Giacomo (Jacob), a Camaldolese monk, who first ensured that his nephew was given a sound basic education. Evangelista Torricelli. Some of the mercury did not escape from the tube and Torricelli observed the vacuum that was created. He is best known for his invention of the barometer, but is also known for his advances in optics and work on the method of indivisibles.

Evangelista Torricelli invented the first barometer, known as the "Torricelli's tube".

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