international young physicists tournament problems solutions 2012

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International Young Physicists Tournament

Author : Sihui Wang
ISBN : 9789814630856
Genre : Science
File Size : 45. 56 MB
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Solutions to the 25th & 26th International Young Physicists' Tournament provides original, quantitative solutions in fulfilling seemingly impossible tasks. The book expands on the solutions required by the problems. Many of the articles include modification, extension to existing models in references, or derivation and computation based on fundamental physics, and are not confined to the models and methods in present literatures. The International Young Physicists' Tournament (IYPT) is one of the most prestigious international physics contests among high school students. This book is based on the solutions of 2012 and 2013 IYPT problems. The young authors provide quantitative solutions to practical problems in everyday life, such as the 2013 problem “Bouncing ball” that shows “how the nature of the collision changes if the ball contains liquid”, “Colored plastic” (2013 problem 6) and “Helmholtz carousel” (2013 problem 12) etc. This book is intended as a college-level solutions guide to the challenging open-ended problems. It is a good reference book for undergraduates, advanced high-school students, physics educators and the curious public interested in the intriguing phenomenon encountered in daily life. Contents:2012 Problem 1: Gaussian Cannon (Qing Xia, Wenli Gao, Sihui Wang and Huijun Zhou)2012 Problem 3: String of Beads (Tongyi Cao, Zheyuan Zhu, Wenli Gao and Sihui Wang)2012 Problem 5: Bright Waves (Zheyuan Zhu, Kejing Zhu, Wenli Gao and Huijun Zhou)2012 Problem 6: Woodpecker Toy (Zheyuan Zhu, Wenli Gao, Sihui Wang and Huijun Zhou)2012 Problem 8: Bubbles (Kejing Zhu, Qing Xia, Sihui Wang and Huijun Zhou)2012 Problem 10: Rocking Bottle (Yaohua Li, Wenli Gao, Sihui Wang and Huijun Zhou)2012 Problem 13: Misty Glass (Shan Huang, Xiao Li, Wenli Gao and Huijun Zhou)2012 Problem 15: Frustrating Golf Ball (Shan Huang, Zheyuan Zhu, Wenli Gao and Sihui Wang)2013 Problem 2: Elastic Space (IIeng Ho, Zhihang Qin, Sihui Wang and Huijun Zhou)2013 Problem 5: Levitation (Qiyuan Ruan, Pei Zeng, Huijun Zhou and Sihui Wang)2013 Problem 6: Colored Plastic (Lan Chen, Youtian Zhang, Sihui Wang and Huijun Zhou)2013 Problem 8: Jet and Film (Pei Zeng, Lan Chen, Kejing Zhu)2013 Problem 12: Helmholtz Carousel (Jia'an Qi, Zhihang Qin, Sihui Wang and Huijun Zhou)2013 Problem 13: Honey Coils (Youtian Zhang and Jiaan Qi)2013 Problem 14: Flying Chimney (Youtian Zhang, Zheyuan Zhu and Lan Chen)2013 Problem 16: Hoops (Lan Chen, Bo Xiong, Sihui Wang and Wenli Gao)2013 Problem 17: Fire Hose (Li Du, Sihui Wang and Wenli Gao)2013 Problem 3: Bouncing Ball (Bo Xiong, Li Du, Sihui Wang and Wenli Gao) Readership: Science students, teachers, educators, pedagogists and people interested in science. Key Features:The book provides original, quantitative solutions to complicated practical problems in everyday life, fulfilling seemingly impossible tasksExperimental demonstrations and numerical simulations make the high quality solutions accessible to the general publicKeywords:IYPT;Problem Solution;Physics Competition;CUPT;Open Ended Problems

International Young Physicists Tournament

Author : Sihui Wang
ISBN : 9814740330
Genre : International Young Physicists' Tournament
File Size : 87. 66 MB
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"International Young Physicists' Tournament (IYPT), is one of the most prestigious international physics contests among high school students. IYPT Problems and solutions 2014 is the second IYPT solution book after the publication of IYPT Problems and solutions 2012-2013 last year. It is based on the solutions of 2014 IYPT Problems. The authors are undergraduate students who participated in the CUPT (Chinese Undergraduate Physics Tournament). It is intended as a college level solution to the challenging open-ended Problems. It provides original, quantitative solutions in fulfilling seemingly impossible tasks. This book is not limited to the tasks required by the Problems and it is not confined to the models and methods in present literatures. Many of the articles include modification and extension to existing models in references, or derivation and computation based on fundamental physics. This book provides quantitative solutions to practical Problems in everyday life. Many articles in the new book include one more section: preparation for discussions. In this part, key points and questions that may be discussed in opponent's or reviewer's stages during a physics tournament are listed. Demonstration videos are provided through links to supplementary materials. This is a good reference book for undergraduates, advanced high-school students, physics educators and curious public interested in the intriguing phenomena in daily life"

Scientific Explanation And Methodology Of Science

Author : Guichun Guo
ISBN : 9789814596657
Genre : Science
File Size : 45. 88 MB
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This volume contains the contributed papers of invitees to SEMS 2012 who have also given talks at the conference. The invitees are experts in philosophy of science and technology from Asia (besides China), Australia, Europe, Latin America, North America, as well as from within China. The papers in this volume represent the latest work of each researcher in his or her expertise; and as a result, they give a good representation of the cutting-edge researches in diverse areas in different parts of the world. Contents:The Directedness of Time in Classical Cosmology (Andreas Bartels and Daniel Wohlfarth)Explanation, Special Relativity, and Presentism (Katherine Brading)A Muse of Fire (James Robert Brown)SSK or ESW? — The Bloor-Lynch Debate Revisited (Kai-Yuan Cheng)Model Error and Ensemble Forecasting: A Cautionary Tale (Seamus Bradley, Roman Frigg, Hailiang Du, and Leonard A Smith)The Contextualist Basis of Scientific Explanation (Guichun Guo)On a Bottom-Up Approach to Scientific Discovery (Xiang Huang)The New Ignorance (Janet A Kourany)Models, Fiction, and Fictional Models (Chuang Liu)A Contextualist Interpretation of Mathematics (Jie Liu)Understanding as Integration of Heterogeneous Representations (Sergio F Martínez)Approximation of Laws (Ilkka Niniluoto)Science, Sex, and Pictures: Reflections on van Fraassen's Use of Perspectival Representations (Kathleen Okruhlik)Bayesianism versus Confirmation (Michael Strevens)The Equivalent Transformation Between Non-Truth-Function and Truth-Function (Xiao-Long Wan and Ming-Yi Chen)Mechanism and Productive Event (Zhu Xu)Social Science and the Bayesian Probability Explanation Model (Jie Yin and Lei Zhao)Choice of Units and the Causal Markov Condition (Jiji Zhang and Peter Spirtes) Readership: Graduate science students, professional scientists, and researchers. Keywords:Science Explanation;Scientific Method;Climate Models;Idealization;Relativity Theory;Cosmology

Physics Olympiad Basic To Advanced Exercises

Author : The Committee of Japan Physics Olympiad
ISBN : 9789814556699
Genre : Science
File Size : 86. 2 MB
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This book contains some of the problems and solutions in the past domestic theoretical and experimental competitions in Japan for the International Physics Olympiad. Through the exercises, we aim at introducing the appeal and interest of modern physics to high-school students. In particular, the problems for the second-round of competition are like long journey of physics, beginning with fundamental physics of junior-high-school level, and ending with the forefronts of updated physics and technology. Contents:Part I: Theory:General PhysicsMechanicsOscillations and WavesElectromagnetismThermodynamicsModern PhysicsPart II: Experiments:How to Measure and Analyze DataPractical ExercisesAppendices: Mathematical Physics Readership: High school students and high school teachers, as well as undergraduates. Keywords:Physics Olympiad;Theoretical Exercises;Experimental ExercisesKey Features:A good collection of exercises in theory and experimentFrom fundamental physics to modern physics and technologyA good introduction to experimental skills

The Foundations Of Physical Law

Author : Rowlands Peter
ISBN : 9789814618403
Genre : Science
File Size : 21. 48 MB
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The book originated in a series of lectures given at Liverpool in 2013 to a group that included postgraduate and undergraduate students and staff of the Physics Department. They followed from two very successful lectures given to the undergraduate Physical Society. It seemed that there was a very large interest among the students in investigating the foundations of physics in a way that was never done in physics courses, and was not available in books or other outlets. However, the idea was to create a framework in which students (and interested staff) could develop their own thinking relative to the ideas in the lectures. So it was important to create both conceptual and mathematical structures on the issues that are important at this level. The book has the right sort of technical content to allow for this development, but doesn't lose itself in excessive details. The ideal use for this book would be on postgraduate courses where students would be encouraged to think about the foundations in a way that is well beyond the superficial. However, a course on aspects of this material would also be valuable at the undergraduate level, where students could be stimulated into believing that creative thinking could solve the problems that emerge when we confront foundational problems.

The Atheist S Guide To Reality Enjoying Life Without Illusions

Author : Alex Rosenberg
ISBN : 9780393083330
Genre : Philosophy
File Size : 59. 4 MB
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A book for nonbelievers who embrace the reality-driven life. We can't avoid the persistent questions about the meaning of life-and the nature of reality. Philosopher Alex Rosenberg maintains that science is the only thing that can really answer them—all of them. His bracing and ultimately upbeat book takes physics seriously as the complete description of reality and accepts all its consequences. He shows how physics makes Darwinian natural selection the only way life can emerge, and how that deprives nature of purpose, and human action of meaning, while it exposes conscious illusions such as free will and the self. The science that makes us nonbelievers provides the insight into the real difference between right and wrong, the nature of the mind, even the direction of human history. The Atheist's Guide to Reality draws powerful implications for the ethical and political issues that roil contemporary life. The result is nice nihilism, a surprisingly sanguine perspective atheists can happily embrace.

Mathematical Olympiad In China 2011 2014 Problems And Solutions

Author : Xiong Bin
ISBN : 9789813142954
Genre : Mathematics
File Size : 54. 69 MB
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Achieving The Rare

Author : I-Juliana Christy
ISBN : 9789814460262
Genre : Science
File Size : 40. 95 MB
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Robert F Christy was a legendary physicist, one of the key players in some of the most dramatic events of the 20th century. He was a student of Oppenheimer, who called him “one of the best in the world.” He was a crucial member of Fermi's team when they first unleashed the unheard-of energies of nuclear power, creating the world's first nuclear reactor on December 2, 1942. On the Manhattan Project he was the key physicist in the successful test of the world's first atomic bomb, the “Christy Gadget”, at Alamogordo on July 16, 1945. Almost immediately he turned his talents to promoting the peaceful uses of atomic energy. He successfully opposed atmospheric testing of atomic bombs and fought nuclear proliferation, a campaign that eventually led to the SALT talks with the Soviet Union. His favorite subject was astrophysics where he made fundamental contributions to the understanding of Cepheids, variable stars that are crucial distance indicators in the universe. Robert was equally fascinating as a man. In his mid-50's he became irresistably attracted to an astrophysicist, but they were a continent and a generation apart. Near his 60's they started a happy and fulfilling life together. He remained vigorous both mentally and physically into his 90's: he was still galloping his horse at age 93. Robert's story is one of overcoming obstacles, of hope, and of fulfillment. Contents:His ChildhoodThe Formative UBC YearsExciting Graduate Years with OppenheimerThe First Marriage, to Dagmar von LievenThe Very First Nuclear ReactorDesigning the First Atomic BombOpposing Nuclear Weapons ProliferationBecoming Oppenheimer's Successor at CaltechContributions to Physics at CaltechPioneering Work in Astrophysics: Variable StarsAs Provost: Achieving His Dreams for CaltechThe Second Marriage, to I-Julianna SackmannDaughters Late in LifeInterim President of CaltechLater Years — Teaching and ResearchRadiation Dosimetry in Hiroshima and NagasakiThe Spring Valley Ranch: Fulfilling a DreamRobert's Health — Struggles and SuccessesAn Innate Grace Readership: For interested academics as well as the general public. Keywords:Manhattan Project;Oppenheimer;Nuclear Reactor;Christy Gadget;Strategic Arms Limitation Talks (SALT);Atmospheric Testing;Orion Project;Astrophysics;Cepheid Variables;Pulsation;Variable Stars;Keck Telescope;Radiation Dosimetry;Hiroshima;Atomic Bomb;Radiation Effects;Caltech;Physics ReminiscencesReviews: "From ‘Christy's Gadget’ (the first plutonium-based atomic bomb) and the war that it helped end, to the forces that drive a star's pulsations, to intercontinental romance, this biography illuminates the life, passions, and intellect of one of the 20th century's great theoretical physicists. It is a fitting tribute to Robert Christy, whom I admired as a man as well as a scientist." Kip S Thorne The Feynman Professor of Theoretical Physics Emeritus California Institute of Technology (Caltech) "From the atom bomb to the frontiers of astrophysics, Bob Christy's contributions were brilliant and seminal. In an intimate account rich with personal detail, we see up close a man of enormous energy, grace, and wisdom." H David Politzer Caltech Nobel Prize in Physics 2004 "Bob Christy was an exemplary research scientist, teacher and university administrator at Caltech, playing an important role in the development of the atomic bomb and in the efforts after World War II to assure that nuclear weapons would not be used again. This informative biographical memoir by his widow reveals the warmer side of his personality, remembered by his friends but hidden from public view by his austere and analytic manner."; Harold Brown President of Caltech 1969–1977 US Secretary of Defense 1977–1981 "The deeper you get into this book, the more fascinating it becomes. Christy lived the problems of the 20th century which are defining many of the problems of the 21st." Rose Bethe widow of Hans Bethe Nobel Prize in Physics 1967 "An accomplished scientist in her own right, I-Juliana Christy has written a richly-detailed biography. Drawing on unpublished letters and interviews, she weaves together the political drama of World War II with the personal story of Christy." Judith R Goodstein Founding Head of Caltech Archives and author of Millikan's School "Juliana Christy has created a remarkable blend of historical biography and personal memoir. She presents here for the first time unique source material from Robert Christy's personal papers, along with interviews, photographs and other documentation, much of it newly published. The book is an intimate yet carefully weighed account of this great physicist's life and work." Charlotte E Erwin Head of Archives, Special Collections Caltech "A must-read for people interested in history and pioneering physics. Mentored by Oppenheimer, Christy transformed nuclear science from intellectual theory to explosive reality. A warm and compas-sionate man, he labored mightily against nuclear proliferation." Frank D Rubin attorney and history buff "The book is very well written; transcribed interviews with Christy and liberal use of historical artefacts. Where relevant the book also serves as a history text; the wider political context in the lead up to the Manhattan project is explored and the retrospective look at the German effort to develop nuclear weapons is a fascinating inclusion. Perhaps the most vivid historical inclusion, however, is the first hand description of Chicago Pile-1. With a little something for everyone, this is a fantastic read." Mr Mark Worrall Clinical Scientist Radiation Physics, Ninewells Hospital, Dundee “The unique strength of this remarkable memoir is the author's deep understanding of both Christy's scientific and administrative achievements coupled with his personal qualities: energy, wisdom, passion, modesty, and grace. Like Robert Christy, author Juliana Christy has truly "achieved the rare".” John R Percy Professor Emeritus University of Toronto “Oppenheimer, Fermi, Teller, Harold Brown, Hans Bethe, Richard Feynman — Robert Christy knew the greats of his era as both peer and colleague. This affectionate biography presents a complete picture of this national figure also as family man, horseman, skier and tennis player — a man who helped shape the world we inhabit. That is rare achievement in itself.” Bart Paul author of the novel "Under Tower Peak" and of "Double-Edged Sword: the Many Lives of Hemingway's Friend, the American Matador Sidney Franklin" “Those interested in academic administration in general or Caltech in particular will find additional fascinating sections, but the scientific and practical history of the atomic age stand alone in this worthwhile book, with book science and personal history well told.” Jay M Pansachoff Professor Williams College “It's the story of a boy from British Columbia who was a prewar student of Oppenheimer's at Berkeley, then became sucked into the Manhattan project where, at Los Alamos, he solved the problems that had confounded his colleagues, and changed the course of history.” Charles Campbell Professor University of Southern California “Author Juliana Christy is herself an astrophysicist, so she get the physics right. At the same time she brings out Robert's human side and family life in this well-rounded account with the aid of letters, photographs, interviews, and personal reminiscences.” Steven C Frautschi Professor Emeritus California Institute of Technology

Birds And Frogs

Author : Freeman J Dyson
ISBN : 9789814602877
Genre : Science
File Size : 38. 89 MB
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This book is a sequel to the volume of selected papers of Dyson up to 1990 that was published by the American Mathematical Society in 1996. The present edition comprises a collection of the most interesting writings of Freeman Dyson, all personally selected by the author, from the period 1990–2014. The five sections start off with an Introduction, followed by Talks about Science, Memoirs, Politics and History, and some Technical Papers. The most noteworthy is a lecture entitled Birds and Frogs to the American Mathematical Society that describes two kinds of mathematicians with examples from real life. Other invaluable contributions include an important tribute to C. N. Yang written for his retirement banquet at Stony Brook University, as well as a historical account of the Operational Research at RAF Bomber Command in World War II provocatively titled A Failure of Intelligence. The final section carries the open-ended question of whether any conceivable experiment could detect single gravitons to provide direct evidence of the quantization of gravity — Is a Graviton Detectable? Various possible graviton-detectors are examined. This invaluable compilation contains unpublished lectures, and surveys many topics in science, mathematics, history and politics, in which Freeman Dyson has been so active and well respected around the world.

Global Turning Points

Author : Mauro F. Guillén
ISBN : 9781139577045
Genre : Business & Economics
File Size : 56. 23 MB
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The twenty-first century is replete with uncertainty and complexity: game-changing events and trends are transforming the world beyond recognition. For the first time in human history more people live in cities than in the countryside and greater numbers suffer from obesity than from hunger. Emerging economies now represent half of the global economy and during the next few decades India will be the biggest country in terms of population, China the largest in output and the United States the richest among the major economies on a per capita income basis. Food and water shortages will likely become humankind's most important challenge. In this accessible introduction, Mauro Guillén and Emilio Ontiveros deploy the tools of economics, sociology and political science to provide an analytical perspective on both the problems and opportunities facing business in the modern world.

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