History of Mathematics: 17Th and 18Th Century Mathematicians 2007 National Mu Alpha Theta Convention NOTA Means “None of the Above”
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Glossary Glossary
Glossary Glossary Albedo A measure of an object’s reflectivity. A pure white reflecting surface has an albedo of 1.0 (100%). A pitch-black, nonreflecting surface has an albedo of 0.0. The Moon is a fairly dark object with a combined albedo of 0.07 (reflecting 7% of the sunlight that falls upon it). The albedo range of the lunar maria is between 0.05 and 0.08. The brighter highlands have an albedo range from 0.09 to 0.15. Anorthosite Rocks rich in the mineral feldspar, making up much of the Moon’s bright highland regions. Aperture The diameter of a telescope’s objective lens or primary mirror. Apogee The point in the Moon’s orbit where it is furthest from the Earth. At apogee, the Moon can reach a maximum distance of 406,700 km from the Earth. Apollo The manned lunar program of the United States. Between July 1969 and December 1972, six Apollo missions landed on the Moon, allowing a total of 12 astronauts to explore its surface. Asteroid A minor planet. A large solid body of rock in orbit around the Sun. Banded crater A crater that displays dusky linear tracts on its inner walls and/or floor. 250 Basalt A dark, fine-grained volcanic rock, low in silicon, with a low viscosity. Basaltic material fills many of the Moon’s major basins, especially on the near side. Glossary Basin A very large circular impact structure (usually comprising multiple concentric rings) that usually displays some degree of flooding with lava. The largest and most conspicuous lava- flooded basins on the Moon are found on the near side, and most are filled to their outer edges with mare basalts. -
Chance, Luck and Statistics : the Science of Chance
University of Calgary PRISM: University of Calgary's Digital Repository Alberta Gambling Research Institute Alberta Gambling Research Institute 1963 Chance, luck and statistics : the science of chance Levinson, Horace C. Dover Publications, Inc. http://hdl.handle.net/1880/41334 book Downloaded from PRISM: https://prism.ucalgary.ca Chance, Luck and Statistics THE SCIENCE OF CHANCE (formerly titled: The Science of Chance) BY Horace C. Levinson, Ph. D. Dover Publications, Inc., New York Copyright @ 1939, 1950, 1963 by Horace C. Levinson All rights reserved under Pan American and International Copyright Conventions. Published in Canada by General Publishing Company, Ltd., 30 Lesmill Road, Don Mills, Toronto, Ontario. Published in the United Kingdom by Constable and Company, Ltd., 10 Orange Street, London, W.C. 2. This new Dover edition, first published in 1963. is a revised and enlarged version ot the work pub- lished by Rinehart & Company in 1950 under the former title: The Science of Chance. The first edi- tion of this work, published in 1939, was called Your Chance to Win. International Standard Rook Number: 0-486-21007-3 Libraiy of Congress Catalog Card Number: 63-3453 Manufactured in the United States of America Dover Publications, Inc. 180 Varick Street New York, N.Y. 10014 PREFACE TO DOVER EDITION THE present edition is essentially unchanged from that of 1950. There are only a few revisions that call for comment. On the other hand, the edition of 1950 contained far more extensive revisions of the first edition, which appeared in 1939 under the title Your Chance to Win. One major revision was required by the appearance in 1953 of a very important work, a life of Cardan,* a brief account of whom is given in Chapter 11. -
Autobiography of Sir George Biddell Airy by George Biddell Airy 1
Autobiography of Sir George Biddell Airy by George Biddell Airy 1 CHAPTER I. CHAPTER II. CHAPTER III. CHAPTER IV. CHAPTER V. CHAPTER VI. CHAPTER VII. CHAPTER VIII. CHAPTER IX. CHAPTER X. CHAPTER I. CHAPTER II. CHAPTER III. CHAPTER IV. CHAPTER V. CHAPTER VI. CHAPTER VII. CHAPTER VIII. CHAPTER IX. CHAPTER X. Autobiography of Sir George Biddell Airy by George Biddell Airy The Project Gutenberg EBook of Autobiography of Sir George Biddell Airy by George Biddell Airy This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg Autobiography of Sir George Biddell Airy by George Biddell Airy 2 License included with this eBook or online at www.gutenberg.net Title: Autobiography of Sir George Biddell Airy Author: George Biddell Airy Release Date: January 9, 2004 [EBook #10655] Language: English Character set encoding: ISO-8859-1 *** START OF THIS PROJECT GUTENBERG EBOOK SIR GEORGE AIRY *** Produced by Joseph Myers and PG Distributed Proofreaders AUTOBIOGRAPHY OF SIR GEORGE BIDDELL AIRY, K.C.B., M.A., LL.D., D.C.L., F.R.S., F.R.A.S., HONORARY FELLOW OF TRINITY COLLEGE, CAMBRIDGE, ASTRONOMER ROYAL FROM 1836 TO 1881. EDITED BY WILFRID AIRY, B.A., M.Inst.C.E. 1896 PREFACE. The life of Airy was essentially that of a hard-working, business man, and differed from that of other hard-working people only in the quality and variety of his work. It was not an exciting life, but it was full of interest, and his work brought him into close relations with many scientific men, and with many men high in the State. -
Letter from Descartes to Desargues 1 (19 June 1639)
Appendix 1 Letter from Descartes to Desargues 1 (19 June 1639) Sir, The openness I have observed in your temperament, and my obligations to you, invite me to write to you freely what I can conjecture of the Treatise on Conic Sections, of which the R[everend] F[ather] M[ersenne] sent me the Draft. 2 You may have two designs, which are very good and very praiseworthy, but which do not both require the same course of action. One is to write for the learned, and to instruct them about some new properties of conics with which they are not yet familiar; the other is to write for people who are interested but not learned, and make this subject, which until now has been understood by very few people, but which is nevertheless very useful for Perspective, Architecture etc., accessible to the common people and easily understood by anyone who studies it from your book. If you have the first of these designs, it does not seem to me that you have any need to use new terms: for the learned, being already accustomed to the terms used by Apollonius, will not easily exchange them for others, even better ones, and thus your terms will only have the effect of making your proofs more difficult for them and discourage them from reading them. If you have the second design, your terms, being French, and showing wit and elegance in their invention, will certainly be better received than those of the Ancients by people who have no preconceived ideas; and they might even serve to attract some people to read your work, as they read works on Heraldry, Hunting, Architecture etc., without any wish to become hunters or architects but only to learn to talk about them correctly. -
On an Experimentum Crucis for Optics
Research Report: On an Experimentum Crucis for Optics Ionel DINU, M.Sc. Teacher of Physics E-mail: [email protected] (Dated: November 17, 2010) Abstract Formulated almost 150 years ago, Thomas Young’s hypothesis that light might be a transverse wave has never been seriously questioned, much less subjected to experiment. In this article I report on an attempt to prove experimentally that Young’s hypothesis is untenable. Although it has certain limitations, the experiment seems to show that sound in air, a longitudinal wave, can be “polarized” by reflection just like light, and this can be used as evidence against Young’s hypothesis. Further refinements of the experimental setup may yield clearer results, making this report useful to those interested in the important issue of whether light is a transverse or a longitudinal wave. Introduction In the course of development of science, there has always been a close connection between sound and light [1]. Acoustics stimulated research and discovery in optics and vice-versa. Reflection and refraction being the first common points observed between the two, the analogy between optical and acoustical phenomena has been proven also in the case of interference, diffraction, Doppler effect, and even in their mode of production: sounds are produced by the vibration of macroscopic objects, while light is produced by vibrating molecules and atoms. The wave nature of sound implies that light is also a wave and, if matter must be present for sound to be propagated, then aether must exist in order to account for the propagation of light through spaces void of all the matter known to chemistry. -
Desargues, Girard
GIRARD DESARGUES (February 21, 1591 – October 1661) by HEINZ KLAUS STRICK, Germany GIRARD DESARGUES came from very wealthy families of lawyers and judges who worked at the Parlement, the highest appellate courts of France in Paris and Lyon. Nothing is known about GIRARD's youth, but it is safe to assume that he and his five siblings received the best possible education. While his two older brothers were admitted to the Parisian Parlement, he was involved in the silk trade in Lyon, as can be seen from a document dating from 1621. In 1626, after a journey through Flanders, he applied to the Paris city council for a licence to drill a well and use the water from the well. His idea was to construct an effective hydraulic pump to supply water to entire districts, but this project did not seem to be successful. After the death of his two older brothers in 1628, he took over the family inheritance and settled in Paris. There he met MARIN MERSENNE and soon became a member of his Academia Parisiensis, a discussion group of scientists including RENÉ DESCARTES, GILLES PERSONNE DE ROBERVAL, ÉTIENNE PASCAL and his son BLAISE. (drawing: © Andreas Strick) The first publication by DESARGUES to attract attention was Une méthode aisée pour apprendre et enseigner à lire et escrire la musique (An easy way to learn and teach to read and write music). In 1634 MERSENNE mentioned in a letter to his acquaintances that DESARGUES was working on a paper on perspective (projection from a point). But it was not until two years later that the work was published: only 12 pages long and in a small edition. -
Sky and Telescope
SkyandTelescope.com The Lunar 100 By Charles A. Wood Just about every telescope user is familiar with French comet hunter Charles Messier's catalog of fuzzy objects. Messier's 18th-century listing of 109 galaxies, clusters, and nebulae contains some of the largest, brightest, and most visually interesting deep-sky treasures visible from the Northern Hemisphere. Little wonder that observing all the M objects is regarded as a virtual rite of passage for amateur astronomers. But the night sky offers an object that is larger, brighter, and more visually captivating than anything on Messier's list: the Moon. Yet many backyard astronomers never go beyond the astro-tourist stage to acquire the knowledge and understanding necessary to really appreciate what they're looking at, and how magnificent and amazing it truly is. Perhaps this is because after they identify a few of the Moon's most conspicuous features, many amateurs don't know where Many Lunar 100 selections are plainly visible in this image of the full Moon, while others require to look next. a more detailed view, different illumination, or favorable libration. North is up. S&T: Gary The Lunar 100 list is an attempt to provide Moon lovers with Seronik something akin to what deep-sky observers enjoy with the Messier catalog: a selection of telescopic sights to ignite interest and enhance understanding. Presented here is a selection of the Moon's 100 most interesting regions, craters, basins, mountains, rilles, and domes. I challenge observers to find and observe them all and, more important, to consider what each feature tells us about lunar and Earth history. -
J. Wallis the Arithmetic of Infinitesimals Series: Sources and Studies in the History of Mathematics and Physical Sciences
J. Wallis The Arithmetic of Infinitesimals Series: Sources and Studies in the History of Mathematics and Physical Sciences John Wallis was appointed Savilian Professor of Geometry at Oxford University in 1649. He was then a relative newcomer to mathematics, and largely self-taught, but in his first few years at Oxford he produced his two most significant works: De sectionibus conicis and Arithmetica infinitorum. In both books, Wallis drew on ideas originally developed in France, Italy, and the Netherlands: analytic geometry and the method of indivisibles. He handled them in his own way, and the resulting method of quadrature, based on the summation of indivisible or infinitesimal quantities, was a crucial step towards the development of a fully fledged integral calculus some ten years later. To the modern reader, the Arithmetica Infinitorum reveals much that is of historical and mathematical interest, not least the mid seventeenth-century tension between classical geometry on the one hand, and arithmetic and algebra on the other. Newton was to take up Wallis’s work and transform it into mathematics that has become part of the mainstream, but in Wallis’s text we see what we think of as modern mathematics still 2004, XXXIV, 192 p. struggling to emerge. It is this sense of watching new and significant ideas force their way slowly and sometimes painfully into existence that makes the Arithmetica Infinitorum such a relevant text even now for students and historians of mathematics alike. Printed book Dr J.A. Stedall is a Junior Research Fellow at Queen's University. She has written a number Hardcover of papers exploring the history of algebra, particularly the algebra of the sixteenth and 159,99 € | £139.99 | $199.99 ▶ seventeenth centuries. -
Bartow-Pell: a Family Legacy
Lesson Plan: Bartow-Pell: A Family Legacy Architect: Minard Lafever, with John Bolton, local carpenter, both friends of the Bartow family. Site: Bartow-Pell Mansion Curriculum Link: High School US History and Government (this is a review activity that brings together several units of study) Unit Two: A:2:a and c The peoples and peopling of the American colonies (voluntary and involuntary)—Native American Indians (relations between colonists and Native American Indians, trade, alliances, forced labor, warfare) and Varieties of immigrant motivation, ethnicities, and experiences. A:4 The Revolutionary War and the Declaration of Independence D:1 The Constitution in jeopardy: The American Civil War 7th and 8th Grade Social Studies I. European Exploration and Settlement D. Exploration and settlement of the New York State area by the Dutch and English 1. Relationships between the colonists and the Native American Indians 4. Rivalry between the Dutch and English eventually resulting in English supremacy Project Aim: Through an investigation of the long history of the Bartow-Pell estate, students discover the far-reaching influence of this family in American history throughout their long occupation of this property. Students will also be able to contextualize history as a series of events that are caused by and effect the lives of real people. Students will be able to imagine the great events of American history through the lens of a family local to the Bronx. Vocabulary: Greek Revival: A style of art that was popular in the 19th Century that was a reaction to Baroque Art. This style was derived from the art and culture of ancient Greece and imitated this period’s architecture and fascination for order and simplicity. -
Cavendish the Experimental Life
Cavendish The Experimental Life Revised Second Edition Max Planck Research Library for the History and Development of Knowledge Series Editors Ian T. Baldwin, Gerd Graßhoff, Jürgen Renn, Dagmar Schäfer, Robert Schlögl, Bernard F. Schutz Edition Open Access Development Team Lindy Divarci, Georg Pflanz, Klaus Thoden, Dirk Wintergrün. The Edition Open Access (EOA) platform was founded to bring together publi- cation initiatives seeking to disseminate the results of scholarly work in a format that combines traditional publications with the digital medium. It currently hosts the open-access publications of the “Max Planck Research Library for the History and Development of Knowledge” (MPRL) and “Edition Open Sources” (EOS). EOA is open to host other open access initiatives similar in conception and spirit, in accordance with the Berlin Declaration on Open Access to Knowledge in the sciences and humanities, which was launched by the Max Planck Society in 2003. By combining the advantages of traditional publications and the digital medium, the platform offers a new way of publishing research and of studying historical topics or current issues in relation to primary materials that are otherwise not easily available. The volumes are available both as printed books and as online open access publications. They are directed at scholars and students of various disciplines, and at a broader public interested in how science shapes our world. Cavendish The Experimental Life Revised Second Edition Christa Jungnickel and Russell McCormmach Studies 7 Studies 7 Communicated by Jed Z. Buchwald Editorial Team: Lindy Divarci, Georg Pflanz, Bendix Düker, Caroline Frank, Beatrice Hermann, Beatrice Hilke Image Processing: Digitization Group of the Max Planck Institute for the History of Science Cover Image: Chemical Laboratory. -
The Moon After Apollo
ICARUS 25, 495-537 (1975) The Moon after Apollo PAROUK EL-BAZ National Air and Space Museum, Smithsonian Institution, Washington, D.G- 20560 Received September 17, 1974 The Apollo missions have gradually increased our knowledge of the Moon's chemistry, age, and mode of formation of its surface features and materials. Apollo 11 and 12 landings proved that mare materials are volcanic rocks that were derived from deep-seated basaltic melts about 3.7 and 3.2 billion years ago, respec- tively. Later missions provided additional information on lunar mare basalts as well as the older, anorthositic, highland rocks. Data on the chemical make-up of returned samples were extended to larger areas of the Moon by orbiting geo- chemical experiments. These have also mapped inhomogeneities in lunar surface chemistry, including radioactive anomalies on both the near and far sides. Lunar samples and photographs indicate that the moon is a well-preserved museum of ancient impact scars. The crust of the Moon, which was formed about 4.6 billion years ago, was subjected to intensive metamorphism by large impacts. Although bombardment continues to the present day, the rate and size of impact- ing bodies were much greater in the first 0.7 billion years of the Moon's history. The last of the large, circular, multiringed basins occurred about 3.9 billion years ago. These basins, many of which show positive gravity anomalies (mascons), were flooded by volcanic basalts during a period of at least 600 million years. In addition to filling the circular basins, more so on the near side than on the far side, the basalts also covered lowlands and circum-basin troughs. -
Thomas Young the Man Who Knew Everything
Thomas Young The man Who Knew Everything Andrew Robinson marvels at the brain power and breadth of knowledge of the 18th-century polymath Thomas Young. He examines his relationship with his contemporaries, particularly with the French Egyptologist Champollion, and how he has been viewed subsequently by historians. ORTUNATE NEWTON, happy professor of natural philosophy at childhood of science!’ Albert the newly founded Royal Institution, F Einstein wrote in 1931 in his where in 1802-03 he delivered what foreword to the fourth edition of is generally regarded as the most far- Newton’s influential treatise Opticks, reaching series of lectures ever given originally published in 1704. by a scientist; a physician at a major London hospital, St George’s, for a Nature to him was an open book, quarter of a century; the secretary of whose letters he could read without the Admiralty’s Board of Longitude effort. ... Reflection, refraction, the and superintendent of its vital Nauti- formation of images by lenses, the cal Almanac from 1818 until his mode of operation of the eye, the death; and ‘inspector of calculations’ spectral decomposition and recom- for a leading life insurance company position of the different kinds of in the 1820s. In 1794, he was elected light, the invention of the reflecting a fellow of the Royal Society at the telescope, the first foundations of age of barely twenty-one, became its colour theory, the elementary theory foreign secretary at the age of thirty, of the rainbow pass by us in and turned down its presidency in procession, and finally come his his fifties.