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Blaise Pascal

Born in Clermont-Ferrand ( 19 June 1623 – 19 August 1662) , Blaise Pascal was a physicist,Catholic theologian, inventor French mathematician, and , writer, His father was a tax collector in Rouen ,who educated Pascal as he was a child prodigy
Pascal Y Piere de Fermat
Watch Blaise Pascal - PHILOSOPHY
Pascal contributions to the study of fluids, and clarified the concepts of pressure and vacuum by generalising the work of Evangelista Torricelli in the " natural and applied sciences ".Defence of the scientific method is also written by Pascal
Blaise Pascal study fluids
In 1642, while still a teenager, he started some pioneering work on calculating machines. After three years of effort and 50 prototypes, he built 20 finished machines (called Pascal's calculators and later Pascalines) over the following 10 years, He was one of the first two inventors of the mechanical calculator.
Blaise Pascal  calculating machines
Pascal was an important mathematician, helping create two major new areas of research: he wrote a significant treatise on the subject of projective geometry at the age of 16, and later corresponded with Pierre de Fermat on probability theory, strongly influencing the development of modern economics and social science.Following Galileo Galilei and Torricelli, in 1647, he rebutted Aristotle's followers who insisted that nature abhors a vacuum. Pascal's results caused many disputes before being accepted.
Pascal  mathematician
Following a religious experience in late 1654, he began writing influential works on philosophy and theology. His two most famous works date from this period: the Lettres provinciales and the Pensées, the former set in the conflict between Jansenists and Jesuits.
 Blaise Pascal   Galilei and Torricelli
In that year, he also wrote an important treatise on the arithmetical triangle. Between 1658 and 1659 he wrote on the cycloid and its use in calculating the volume of solids.Pascal had poor health, especially after the age of 18, and he died just two months after his 39th birthday
 statue of Blaise Pascal
➯ Pascal was born in Clermont-Ferrand, which is in France's Auvergne region
➯ He lost his mother, Antoinette Begon, at the age of three
➯ His father, Étienne Pascal (1588–1651), who also had an interest in science and mathematics
➯ In 1631, five years after the death of his wife, Etienne Pascal moved with his children to Paris
➯Particularly of interest to Pascal was a work of Desargues on conic sections
➯ In 1631 Etienne sold his position as second president of the Cour des Aides for 65,665 livres
➯ Of the eight Pascalines known to have survived, four are held by the Musee des Arts et Metiers in Paris and one more by the Zwinger museum in Dresden, Germany, exhibit two of his original mechanical calculators
➯ Pascal in 1653 described a convenient tabular presentation for binomial coefficients, now called Pascal's triangle. The triangle can also be represented
➯ In 1654 he proved Pascal's identity relating the sums of the p-th powers of the first n positive integers for p = 0, 1, 2, …, k
➯ His inventions include the hydraulic press (using hydraulic pressure to multiply force) and the syringe
➯ He proved that hydrostatic pressure depends not on the weight of the fluid but on the elevation difference
➯ Pascal replicated the experiment in Paris by carrying a barometer up to the top of the bell tower at the church of Saint-Jacques-de-la-Boucherie, a height of about 50 metres. The mercury dropped two lines
Blaise Pascal Awards :
➯In France, prestigious annual awards, Blaise Pascal Chairs are given to outstanding international scientists to conduct their research in the Ile de France region
➯ One of the Universities of Clermont-Ferrand, France – Universite Blaise Pascal – is named after him
Blaise Pascal inventions:
➯ In 1642, inspired by the idea of making his father's job of calculating taxes easier, Blaise Pascal started work on a calculator dubbed the Pascaline
➯ he Pascaline was a numerical wheel calculator with movable dials, each representing a numerical digit
➯ The invention, however, was not without its glitches: There was a discrepancy between the calculator's design and the structure of French currency at the time. Pascal continued to work on improving the device, with 50 prototypes produced by 1652, but the Pascaline was never a big selle
Quote by Blaise Pascal:
➯I would have written a shorter letter, but I did not have the time
➯Do not mistake yourself by believing that your being has something in it more exalted than that of others
➯This right which you have, is not founded any more than his upon any quality or any merit in yourself which renders you worthy of it
➯ I made this one [letter] longer only because I have not had the leisure to make it shorter
➯Do not imagine that it is less an accident by which you find yourself master of the wealth which you possess
➯ If you act externally with men in conformity with your rank, you should recognize, by a more secret but truer thought, that you have nothing naturally superior to them
➯ Such statements have also been attributed
➯If the public thought elevates you above the generality of men, let the other humble you, and hold you in a perfect equality with all mankind, for this is your natural condition
➯ People almost invariably arrive at their beliefs not on the basis of proof but on the basis of what they find attractive
➯ FIRE God of Abraham, God of Isaac, God of Jacob, not of the philosophers and scholars. Certainty. Certainty. Feeling. Joy. Peace
➯ When I consider the short duration of my life, swallowed up in the eternity before and after, the small space which I fill, or even can see, engulfed in the infinite immensity of spaces whereof I know nothing, and which know nothing of me, I am terrified, and wonder that I am here rather than there, for there is no reason why here rather than there, or now rather than then. Who has set me here? By whose order and design have this place and time been destined for me?
➯ The eternal silence of these infinite spaces alarms me
➯The Misery of Man Without God": "Man's Disproportion
➯ some men who expose themselves to damnation so foolishly by avarice, by brutality, by debauches, by violence, by excesses, by blasphemies
➯ surrounded with a small circle of persons... full of desire
➯ Do not pretend then to rule them by force or to treat them with harshness. Satisfy their reasonable desires
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