41. The Galileo Project | Chronology | Galileo Timeline According to vincenzo viviani Galileo demonstrated his conclusions by droppingweights from the leaning tower of Pisa. This report has been doubted by http://galileo.rice.edu/chron/galileo.html

The Galileo Project Chronology Galileo Timeline Galileo Timeline This timeline provides a detailed chronology of Galileo's life. Within the text, there are links to longer texts and related resources. Years are linked to the European Timeline , which provides a broad overview of concurrent events in Europe. Note: Dates before October 1582 are Julian; all others are on the Gregorian Calendar July 5 Vincenzo Galilei of Florence marries Giulia degli Ammannati of Pescia. They live in Pisa. February 15 Galileo, their first child, is born. February 19 Galileo is baptized in the baptistry of the cathedral of Pisa. May 8 Virginia Galilei is born. Vincenzo Galilei and his family move to Florence December 18 Michelangelo Galilei is born. October 7 Livia Galilei is born. Galileo is at the monastery of Santa Maria di Vallombrosa, where he considers joining the order. July Galileo returns to his family in Florence. September 5 Galileo matriculates as a students of the "Arts" at the University of Pisa. His father's wish is that he study medicine.

42. VIVIANI, Vincenzo., De Locis Solidis Secunda Divinatio Geometrica In Quinque Lib Three engraved plates, two of them doublepage numerous woodcut diagrams inthe text. 12 pl, 164, 128 pp. Folio, cont. semi-stiff boards, backed with blue http://www.polybiblio.com/jahill/HillBibl-Selections911.0.html

Jonathan A. Hill, Bookseller Inc. His First Work Published Last VIVIANI, Vincenzo. De Locis Solidis Secunda Divinatio Geometrica in Quinque Libros iniuria Temporum amissos Aristaei Senioris Geometrae...Opus Conicum continens Elementa Tractatuum... Florence: P.A. Brigonci, 1701. This item is listed on Bibliopoly by Jonathan A. Hill, Bookseller Inc. ; click here for further details.

43. (VIVIANI, Vincenzo, 1622-1703), Formazione, E Misura Di Tutti I Cieli. Con La St Translate this page 4to. Old boards. Some woodcut diagrams in the text. XIV, 32, (2) pp. http://www.polybiblio.com/rappapor/37753.html

Libreria Antiquaria C. E. Rappaport (VIVIANI, Vincenzo, 1622-1703) Formazione, e misura di tutti i cieli. Con la struttura, e quadratura esatta dell'interno, e delle pareti di un nuovo Cielo ammirabile, e di uno degli antichi delle Volte regolari degli Architetti. Curiosa esercitazione matematica. - Firenze, Matini, 1692 4to. Old boards. Some woodcut diagrams in the text. XIV, 32, (2) pp. The very rare first and only edition. In this work «Viviani proposed a problem - known as the "Florentine enigma" - that received wide recognition as soon as the foremost mathematicians began to work on it. The problem was to perforate a hemispheric arch, having four equal windows, in such a way that the residual surface could be squared...» (DSB XIV, 49). Sotheran I, 5111: «The above work contains, inter alia, the solution of this problem, which according to Montucla is superior to all others.» Riccardi II, 628-8. Cinti, Galilei, 164. This item is listed on Bibliopoly by Libreria Antiquaria C. E. Rappaport ; click here for further details.

44. Vincenzo Viviani -- Facts, Info, And Encyclopedia Article vincenzo viviani. Vinceno viviani (April 5, 1622 September 22, 1703) was apupil of (Italian physicist who invented the mercury barometer (1608-1647)) http://www.absoluteastronomy.com/encyclopedia/v/vi/vincenzo_viviani.htm

Vincenzo Viviani Vinceno Viviani (April 5, 1622 - September 22, 1703) was a pupil of (Italian physicist who invented the mercury barometer (1608-1647)) Torricelli and a disciple of (Italian astronomer and mathematician who was the first to use a telescope to study the stars; demonstrated that different weights descend at the same rate; perfected the refracting telescope that enabled him to make many discoveries (1564-1642)) Galileo Viviani was born and raised in (A town in northeast South Carolina; transportation center) Florence (A republic in southern Europe on the Italian Peninsula; was the core of the Roman Republic and the Roman Empire between the 4th century BC and the 5th century AD) Italy . He studied at a (A member of the Jesuit order) Jesuit school. Once his intellectual gifts was noticed, Grand Duke Ferdinando de'Medici provided a scholarship for Viviani to purchase mathematical books. He became a pupil of (Italian physicist who invented the mercury barometer (1608-1647)) Evangelista Torricelli and worked on (The science of matter and energy and their interactions) physics and (The pure mathematics of points and lines and curves and surfaces) geometry In 1639, at the age of 17, he was an assistant of

45. Torricelli Evangelista E Vincenzo Viviani Were Evangelista Torricelli and vincenzo viviani, two followers of Galileo, vincenzo viviani was the first man to assume that the mercury descent was http://www.geocities.com/Athens/Acropolis/6914/torrie.htm

Evangelista Torricelli - 1608 - 1647 - English Italiano Were Evangelista Torricelli and Vincenzo Viviani, two followers of Galileo, to find out the lift pump's enigma. To repeat their famous experiment (please see the animation), you must fill an empty glass tube, sealed at one end, with mercury. Then you must partially fill a glass cup (with mercury). Afterwards, you must cover the open end with a finger, invert it, and plunge it into the mercury in the dish. Now, take off your finger from the end of the tube. The mercury will then run out of the tube into the dish until the weight of the column of mercury in the tube exactly balances the outside air pressure. The mercury in the tube will rise when the air pressure increases and will fall when it decreases. The exact measure of the air pressure at any moment is the height of the mercury in the tube above the level of the mercury in the dish. Under standard conditions at sea level, the height will be 29.92 inches or 76 centimetres. Vincenzo Viviani was the first man to assume that the mercury descent was stopped by the air weight (pressure). When the experiment is over, in the glass tube over the mercury there is nothingh !!!

46. Galileo Galilei Galileo Not Only Changed The Way People Saw The and his 17year old student, vincenzo viviani, became the court mathematician.After Galileo s death on 8 January 1642, vincenzo collected and edited a http://www.geocities.com/Heartland/Plains/2007/galileo.html

Galileo Galilei G alileo not only changed the way people saw the world and around them, he also changed the way scientists experimemted, observed and reached conclusions. While he is most well known for his astronomical discoveries, his contributions to the scientific method are equally important. I n the early 1600's Galileo was one of the first scientists to systematically investigate a question, using well planned, non-biased experiments in order to draw a logical conclusion. At the time others were using the more subjective Greek method of investigation, often drawing conclusions to fit their own views and disregarding or imaginatively explaining away results of their experiments that disagreed. Early Life G alileo Galilei, probably the only scientist to be popularly known by his first name only, was born on February 15, 1564 in Pisa, Italy. Galileo was born into a once-noble family. His father, Vincenzo Galilei, made his living as a lutenist, composer, theorist, singer, and teacher. He and his wife noticed Galileo's interest for maths at an early age and tried to dissuade him from this non-profitable career. They intended him to follow a medical profession, and sent him to a university in Pisa to do so, but while there Galileo accidentally wandered into a geometry lecture and was instantly captivated. A fter talking to his father, Galileo left the university without a degree. He taught privately in Florence for a while before becoming head of mathematics at the University of Pisa. It was during this time he is said to have dropped two cannonballs, one ten times heavier than the other, from the top of the Leaning Tower, in order to demonstrate his theory that the masses are irrelevant to the speed of two falling objects. He also invented a

47. Short Biographies vincenzo viviani (1622 1703). studied mathematics with Clemente Settimi of theScuole Pie. In 1638, Settimi introduced him to the Grand Duke, who provided http://www.mpiwg-berlin.mpg.de/Galileo_Prototype/MAIN/BIO.HTM

Short Biographies of the Persons relevant to the Manuscript and its History studied at Pisa under Benedetto Castelli. After receiving his degree, in 1621, he became tutor of Ferdinand II de' Medici. During this period it is likely he came to know Galileo, becoming one of his closest pupils and friends. In 1626 he was awarded the chair of mathematics at Pisa, as successor to Castelli. On Aggiunti see FAVARO 1913-14 Vincenzio Antinori (1792 - 1865) was entrusted by the Grand Duke of Tuscany, Leopoldo II, to arrange the great collection of manuscripts of Galileo and his disciples saved in Grand Ducal library. Antinori wrote an essay on Galileo's philosophy (Della filosofia di Galileo, in ANTINORI, 1868, 1-96), and left in manuscript an unfinished biography of the scientist. See V. ANTINORI, Della vita e delle opere di Galileo Galilei. Libri Quattro, BNF, Ms. II, V, 111. On Antinori, see DE CARO 1961 Andrea Arrighetti (1592 - 1672) studied mathematics at Pisa under Benedetto Castelli. In 1613 he became member of the Crusca Academy, and was later appointed as superintendent of fortifications in Tuscany. Arrighetti was made senator in 1644, and, in 1668, the Duke Ranuccio Farnese conferred him the title of Count. studied with Galileo at Florence. In 1623 he became Consul of the Accademia Fiorentina. Arrighetti published a praise of Filippo Salviati, the friend Galileo chose as protagonist of his

48. 17th Century This fact is suggested by an autographed note of viviani´s. vincenzo vivianithe first collector of Galileo s manuscripts http://www.mpiwg-berlin.mpg.de/Galileo_Prototype/MAIN/CENT_17.HTM

History: the 17th Century Manuscript Collections of Galileo and his Disciples Braccio Manetti and Vincenzo Viviani Galileo Galilei: a folder with manuscripts pertaining to motion It is very likely that Galileo himself gathered the writings of Codex 72 in a sort of folder. It was indeed not an unusual practice for him to collect his studies together according to their subject. Thus, for example, Ms. Gal. 42, which holds the papers dealing with the controversy concerning hydrostatics of the years 1611-1615, has a folio bearing what probably was the title of the gathered papers: "Several fragments pertaining to the treatise on bodies in water" ("Diversi fragmenti attenenti al trattato delle cose che stanno su l'acqua"); see Biblioteca Nazionale di Firenze, Ms. 42, folio 19v. Similarly, the present Ms. Gal. 71 was probably designated by the (now lost) title "De motu antiquiora," see VIVIANI 1674 , p. 104; Biblioteca Nazionale di Firenze, Ms. Gal. 11, f. 144v; NELLI 1793 , II, p. 759. The same perhaps occurred in the case of Ms. 72, whose f. 61r displays the autograph entry: "Attinentia ad motum" ("Things pertaining to motion"). Most probably, the folder of the studies on motion was among those Galilean papers and books which, in 1633, were temporarily entrusted to

49. Beyond 3D: Struik: Temple Of Viviani: Mathematics The viviani of the temple is a certain vincenzo viviani, who lived in Florencefrom 16 to 1703. He wrote several mathematical books, and had contacts with http://alem3d.obidos.org/en/struik/viviani/math

Português English Beyond 3D Struik Temple of Viviani Mathematics The Mathematics of Temple of Viviani The Temple of Viviani consists of the intersection of a solid sphere and a solid cylinder. To learn about the shape of the Temple, we can observe the intersection of the surfaces of a sphere and a cylinder: the intersection is a very interesting figure-eight curve. The Temple of Viviani is mentioned in Professor Struik's book on differential geometry. The name was intriguing enough for us to want to know more about the origins of the problem. Looking up the name Viviani in the Brown library database, as well as in the indexes of other differential geometry books, we were able to gain further knowledge about the history of this problem. The Viviani (or also Viviani della Robbia) family was an old and well-established family of Florence. There are books written about their history, autobiographies of different members, and mention of them for several centuries. The Viviani of the temple is a certain Vincenzo Viviani, who lived in Florence from 16 to 1703. He wrote several mathematical books, and had contacts with Galileo. The John Hay library at Brown has a book by Galileo that belonged to Viviani, and they corresponded. In 1692, Viviani wrote the book for which he is most remembered, the one in which he mentions the temple: Aenigma geometricum de miro opificio testudinis quadrabilis hemisphaericae, auctore D. Pio Lisci Posillo Geometra

50. Além 3D: Struik: Templo De Viviani: Matemática Translate this page O viviani do Templo é vincenzo viviani, que viveu em Florença desde 16 até 1703.Escreveu vários livros de matemática, e teve contactos e correspondência http://alem3d.obidos.org/pt/struik/viviani/math

Português English Além 3D Struik Templo de Viviani Matemática A Matemática do Templo de Viviani O Templo de Viviani consiste na intersecção duma esfera sólida com um cilindro sólido. Para estudar a forma do Templo, podemos observar a intersecção das superfícies da esfera e do cilindro: a intersecção é uma curva em forma de oito muito interessante. O Templo de Viviani é mencionado no livro de geometria diferencial do Professor Struik. O nome intrigava-nos o suficiente para querermos saber mais sobre as origens do problema. Procurando o nome Viviani na base de dados da biblioteca de Brown, bem como nos índices de outros livros de geometria diferencial, conseguimos saber mais sobre a história deste problema. A família Viviani (ou Viviani della Robbia) era uma antiga e bem estabelecida família de Florença. Existem livros sobre a sua história, autobiografias de vários dos seus membros e referências a eles por vários séculos. O Viviani do Templo é Vincenzo Viviani, que viveu em Florença desde 16 até 1703. Escreveu vários livros de matemática, e teve contactos e correspondência com Galileu. A biblioteca John Hay em Brown possui um livro de Galileu que pertenceu a Viviani. Em 1692, Viviani escreveu o seu livro mais famoso, onde é mencionado o templo: Aenigma geometricum de miro opificio testudinis quadrabilis hemisphaericae, auctore D. Pio Lisci Posillo Geometra

51. Viviani | Vincenzo | 1622-1703 | Florentine Mathematician viviani vincenzo 16221703 Florentine mathematician. Probl Vincentiiviviani (1693); viviani Enigma Geometricum Demonstratum (1693) http://www.nahste.ac.uk/pers/v/GB_0237_NAHSTE_P2224/

the project the collections biographies multimedia the project the collections biographies multimedia ... Viviani Enigma Geometricum Demonstratum

52. NAHSTE: Probl: Vincentii Viviani An unsuccessful attempt to prove viviani s solution to the Florentine problem . viviani vincenzo 16221703 Florentine mathematician http://www.nahste.ac.uk/cgi-bin/view_isad.pl?id=GB-0237-David-Gregory-Dc-1-61-10

53. Read About Vincenzo Viviani At WorldVillage Encyclopedia. Research Vincenzo Vivi vincenzo viviani. Everything you wanted to know about vincenzo viviani but hadno clue how to find it.. Learn about vincenzo viviani here! http://encyclopedia.worldvillage.com/s/b/Vincenzo_Viviani

Culture Geography History Life ... WorldVillage Vincenzo Viviani From Wikipedia, the free encyclopedia. Vinceno Viviani April 5 September 22 ) was a pupil of Torricelli and a disciple of Galileo Viviani was born and raised in Florence Italy . He studied at a Jesuit school. Once his intellectual gifts was noticed, Grand Duke Ferdinando de'Medici provided a scholarship for Viviani to purchase mathematical books. He became a pupil of Evangelista Torricelli and worked on physics and geometry In , at the age of 17, he was an assistant of Galileo in Arcetri . He remained a disciple until Galileo's death in . From to , Viviani edited the first edition of Galileo's collected works. When Torricelli died in , Viviani was appointed to fill his lectureship at the Accademia dell' Arte del Disegno in Florence . The Grand Duke of Tuscany, Ferdinand II also appointed him engineer with the Uffiziali dei Fiumi, a position Viviani held for the rest of his life. 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. In , Viviani and Giovanni Alfonso Borelli measured the velocity of sound by timing the difference between the flash and the sound of a cannon . They obtained the value of 350 meters per second, considerably better than the previous value of 478 meters per second obtained by

54. Vincenzo Viviani Figure 1 vincenzo viviani. vincenzo viviani was born and raised in Florencewhere early on he attracted attention for his abilities in mathematics. http://cnx.rice.edu/content/m11984/latest/

Vincenzo Viviani By: Albert Van Helden Summary: A brief biography of Vincenzo Viviani (1622-1703). Figure 1: Vincenzo Viviani Vincenzo Viviani was born and raised in Florence where early on he attracted attention for his abilities in mathematics. In 1639, at age 17, he became the student, secretary and assistant of Galileo (now blind) in Arcetri. He became court mathematician of the Grand Duke of Tuscany, Ferdinand II, in 1647, and a decade later he became one of the first members of the Grand Duke's experimental academy, the Accademia del Cimento. He became a foreign member of the French Academy upon its founding in 1666. Figure 2: Vincenzo and Galileo During his long career, Viviani published a number of books on mathematical and scientific subjects. He edited the first edition of Galileo's collected works (1655-1656), and worked tirelessly to have his master's memory rehabilitated. When, in the 1730s, the Church finally allowed Galileo to be reburied in a grave with an elaborate monument, the monument in the church of Santa Croce was constructed with the help of funds left by Viviani for that purpose. His own remains were moved to Galileo's new grave as well. Figure 3: Viviani's House Comments, questions, feedback, criticisms?

55. Vincenzo Viviani Van Helden A. vincenzo viviani Connexions Web site. May 26, 2004. vincenzo viviani. Retrieved from the Connexions Web site http://cnx.rice.edu/content/m11984/latest/content_info

Vincenzo Viviani By: Albert Van Helden Metadata Name: Vincenzo Viviani ID: Abstract: A brief biography of Vincenzo Viviani (1622-1703). Keywords: Galileo Vincenzo Viviani Document Type: -//CNX//DTD CNXML 0.5//EN License: Creative Commons Attribution License Authors: Albert Van Helden helden@rice.edu Albert Van Helden helden@rice.edu Maintainers: Albert Van Helden helden@rice.edu Robert Ahlfinger ahlfing@rice.edu Version: history Created: May 18, 2004 11:10 am GMT-5 Revised: May 26, 2004 1:55 pm GMT-5 How to cite this content Choose the citation style appropriate to your needs: American Chemical Society (ACS) Style Guide: Van Helden, A. Vincenzo Viviani, Connexions Web site. http://cnx.rice.edu/content/m11984/1.2/, May 26, 2004. American Medical Assocation (AMA) Manual of Style: Van Helden A. Vincenzo Viviani [Connexions Web site]. May 26, 2004. Available at: http://cnx.rice.edu/content/m11984/1.2/. American Psychological Assocation (APA) Publication Manual: Van Helden, A. (2004, May 26).

56. Viviani's Theorem The theorem is named after vincenzo viviani (16221703). (There is availableanother proof without words of viviani s theorem. For you to compare.) http://www.cut-the-knot.org/Curriculum/Geometry/Viviani.shtml

Username: Password: Sites for parents Awards Interactive Activities CTK Exchange ... Sites for parents Viviani's Theorem: What is it? A Mathematical Droodle Explanation Alexander Bogomolny Viviani's Theorem The applet attempts to illustrate the following theorem: The sum of distances of a point inside an equilateral triangle or on one of its sides equals the length of its altitude. The theorem is named after Vincenzo Viviani Let P a , P b , and P c be the pedal points (projections) of a point P on the side lines BC, AC, and AB of ABC. Then the theorem claims that h = PP a + PP b + PP c where h is the length of the altitudes of ABC. Consider a shifted copy A'B'C' of ABC such that P lies on B'C'. Let PS be parallel to AB, Q be the foot of the perpendicular from C' onto PS, and L the foot of the perpendicular from P to A'C', as in the applet. Then h = C'Q + PP c = PL + PP c = P b L + PP b + PP c = PP a + PP b + PP c A slightly incorrect version of the above appears as a proof without words in [ Nelsen , p. 15]. A direct proof is also pretty simple. As long as point P is not outside ABC, we have

57. Galileo Galilei There, according to his first biographer, vincenzo viviani (16221703), Galileodemonstrated, by dropping bodies of different weights from the top of the http://www.crystalinks.com/galileo.html

Galileo Galilei Born: 15 Feb 1564 in Pisa (now in Italy) Died: 8 Jan 1642 in Arcetri (near Florence) (now in Italy) Galileo Galilei was an Italian natural philosopher, astronomer, and mathematician who made fundamental contributions to the sciences of motion, astronomy, and strength of materials and to the development of the scientific method. His formulation of (circular) inertia, the law of falling bodies, and parabolic trajectories marked the beginning of a fundamental change in the study of motion. His insistence that the book of nature was written in the language of mathematics changed natural philosophy from a verbal, qualitative account to a mathematical one in which experimentation became a recognized method for discovering the facts of nature. Finally, his discoveries with the telescope revolutionized astronomy and paved the way for the acceptance of the Copernican heliocentric system, but his advocacy of that system eventually resulted in an Inquisition process against him. Early life and career Galileo was born in Pisa, Tuscany, on February 15, 1564, the oldest son of Vincenzo Galilei, a musician who made important contributions to the theory and practice of music and who may have performed some experiments with Galileo in 1588-89 on the relationship between pitch and the tension of strings.

58. EIPS - IL Gioiello Arcetri: If Only Walls Could Speak! vincenzo viviani. We must briefly retrace our steps. It so happened that in 1638,a year after Galileo went blind, Providence brought a brilliant sixteen http://www.ianpaisley.org/article.asp?ArtKey=walls

59. Science And Society Picture Library - Search viviani, vincenzo http://www.scienceandsociety.co.uk/results.asp?x9=VIVIANI, VINCENZO

60. Table 14 - Milan Map - Mappa Di Milano - Zeta International - Italy Vigano , Francesco, via Table 14 - B3-B4; Vittorio Veneto, viale - Table14 - D5; Vivaldi, Antonio, via privata - Table 14 - D1; viviani, vincenzo, http://www.citylightsnews.com/ztmit14.htm

Table 14 - Milan Map - Mappa di Milano Carlyle Brera Hotel Table 14 Hotel Ariosto Table 17 ... Ricerca rapida di vie a Milano Streets contained in this map - Vie presenti in questa mappa Abbadesse, via Table 14 - C1-C2 Adda, via - Table 14 - C3-D3 Albertini, Luigi, via - Table 14 - A5 Algarotti, Francesco, via - Table 14 - C2-C3 Alserio, via - Table 14 - A1-B1-B2 Ancona, via - Table 14 - B5 Table 18 - C1 Angelo della Pergola, via - Table 14 - B2 Angera, via privata - Table 6 - A5 Table 14 - D1 Appiani, Andrea, via - Table 14 - C4-C5 Appio, Claudio, piazza - Table 14 - C1 Aprica, via dell' - Table 4 - D5 Table 14 - A1 Archinto, Carlo, piazza - Table 14 - B2 Arese, Francesco, via - Table 14 - B1-C1 Arnaldo da Brescia, via - Table 14 - A2 Assereto, via degli - Table 14 - C2 Baiamonti, Antonio, piazzale - Table 14 - A3-A4 Bassi, Ugo, via - Table 14 - A1-B2 Bellani, Ettore, via - Table 14 - C2-C3 Bernina, via - Table 5 - A5 Table 14 - A1 Bertoni, Renzo, via - Table 14 - C5 Biancamano, piazzale - Table 14 - A4-A5 Boltraffio, Gian antonio, via - Table 14 - A1-B1 Bonnet, Nino, via - Table 14 - B3-B4 Bordoni, Antonio, via -

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