| 词条 | Vincenzo Viviani |
| 释义 |
|name = Vincenzo Viviani |image = Vincenzo Viviani.jpeg |caption = Vincenzo Viviani |birth_date = April 5, 1622 |birth_place = Florence, Grand Duchy of Tuscany |death_date = September 22, 1703 (aged 81) |death_place = Florence, Grand Duchy of Tuscany |residence = Grand Duchy of Tuscany |citizenship = |nationality = Tuscan |field = Mathematician and physicist |work_institutions = |alma_mater = |academic_advisors = Galileo Galilei Evangelista Torricelli |notable_students = Isaac Barrow |known_for = Viviani's theorem Viviani's curve |author_abbrev_bot = |author_abbrev_zoo = |influences = |influenced = |footnotes = |signature = }}Vincenzo Viviani (April 5, 1622 – September 22, 1703) was an Italian mathematician and scientist. He was a pupil of Torricelli and a disciple of Galileo.[1] BiographyBorn and raised in Florence, Viviani studied at a Jesuit school. There, Grand Duke Ferdinando II de' Medici furnished him a scholarship to purchase mathematical books. He became a pupil of Evangelista Torricelli and worked on physics and geometry.[1] In 1639, at the age of 17, he was an assistant of Galileo Galilei in Arcetri. He remained a disciple until Galileo's death in 1642. From 1655 to 1656, Viviani edited the first edition of Galileo's collected works.[1] After Torricelli's 1647 death, Viviani was appointed to fill his position at the Accademia dell'Arte del Disegno in Florence. Viviani was also one of the first members of the Grand Duke's experimental academy, the Accademia del Cimento, when it was created a decade later.[1] In 1660, Viviani and Giovanni Alfonso Borelli conducted an experiment to determine the speed of sound. Timing the difference between the seeing the flash and hearing the sound of a cannon shot at a distance, they calculated a value of 350 meters per second (m/s), considerably better than the previous value of 478 m/s obtained by Pierre Gassendi.[1] The currently accepted value is 331.29 m/s at 0 °C or 340.29 m/s at sea level. It has also been claimed that in 1661 he experimented with the rotation of pendulums, 190 years before the famous demonstration by Foucault{{fix |link=Wikipedia:Citation needed |text=citation needed |class=Template-Fact |title=This claim needs references to reliable sources }}. By 1666, Viviani started to receive many job offers as his reputation as a mathematician grew. That same year, Louis XIV of France offered him a position at the Académie Royale and John II Casimir of Poland offered Viviani a post as his astronomer. Fearful of losing Viviani, the Grand Duke appointed him court mathematician. Viviani accepted this post and turned down his other offers.[1] In 1687, he published a book on engineering, Discorso intorno al difendersi da' riempimenti e dalle corrosione de' fiumi.[1] Upon his death, Viviani left an almost completed work on the resistance of solids, which was subsequently completed and published by Luigi Guido Grandi.[1] In 1737, the Church finally allowed Galileo to be reburied in a grave with an elaborate monument. The monument that was created in the church of Santa Croce was constructed with the help of funds left by Viviani for that specific purpose. Viviani's own remains were moved to Galileo's new grave as well.[1] The lunar crater Viviani is named after him. InscriptionsIn Florence, Viviani had Galileo's life and achievements written in Latin on the façade of his palace, on huge stone scrolls. The palace was then renamed Palazzo dei Cartelloni. Works (selection)
See also
References1. ^1 2 3 4 5 6 7 8 "Viviani" article in the University of St Andrews 2. ^Vincenzo Viviani on museo galileo External links
11 : 1622 births|1703 deaths|People from Florence|Italian mathematicians|17th-century Italian mathematicians|Italian astronomers|Italian physicists|Italian Roman Catholics|Scientific instrument makers|Fellows of the Royal Society|Burials at Basilica of Santa Croce, Florence |
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