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Gravity is the most enigmatic of all known forces of nature. It controls everything, from ocean tides to the expansion of the Universe. The search for the laws of motion and gravitation started over two thousand years ago. The reader is taken on an exciting journey through the subsequent centuries, identifying the blind alleys, the profound insights and flashes of inspiration that have punctuated this search. Despite the fantastic progress that has been made, the true nature of gravity is still a mystery and this book attempts to show how the current developments in string theory(s) (perhaps the 'Theory of Everything') may lead to a new and radical interpretation of gravity. This book describes the fundamental concepts, developments and experiments, both performed and planned, to increase our understanding of gravity and the natural phenomena in which gravity is the principal player.
Gravitation --- Motion --- History.
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The greatest challenge in fundamental physics is how quantum mechanics and general relativity can be reconciled in a theory of 'quantum gravity'. The project suggests a profound revision of our notions of space, time and matter, and so has become a key topic of debate and collaboration between physicists and philosophers. This volume collects classic and original contributions from leading experts in both fields for a provocative discussion of all the issues. This volume contains accessible introductions to the main and less well known approaches to quantum gravity. It includes exciting topics such as the fate of spacetime in various theories, the so-called 'problem of time' in canonical quantum gravity, black hole thermodynamics, and the relationship between the interpretation of quantum theory and quantum gravity. This book will be essential reading for anyone interested in the profound implications of trying to marry the two most important theories in physics.
Quantum gravity. --- Gravity, Quantum --- General relativity (Physics) --- Gravitation --- Quantum theory
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Un exposé de la Relativité Générale d'Einstein qui fut historiquement la première théorie relativiste de la gravitation à fournir des résultats théoriques corrects en accord précis avec les faits ainsi que des éléments conceptuels et techniques permettant d'appréhender sans difficulté l'Astrophysique Relativiste.
Gravitation. --- Relativity (Physics) --- Gravitation --- Nonrelativistic quantum mechanics --- Space and time --- Field theory (Physics) --- Matter --- Physics --- Antigravity --- Centrifugal force --- Properties
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Quantum gravity. --- Quantum gravity --- Gravity, Quantum --- General relativity (Physics) --- Gravitation --- Quantum theory
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Introduction to Relativity is intended to teach physics and astronomy majors at the freshman, sophomore or upper-division levels how to think about special and general relativity in a fundamental, but accessible, way. Designed to render any reader a ""master of relativity"", everything on the subject is comprehensible and derivable from first principles. The book emphasizes problem solving, contains abundant problem sets, and is conveniently organized to meet the needs of both student and instructor.* Simplicity: the book teaches space and time in relativity in a physical fashi
Relativity (Physics). --- Relativity (Physics) --- Gravitation --- Nonrelativistic quantum mechanics --- Space and time
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A dialogue between a physicist and a philosopher on the issue of the logical foundations of the Copenhagen interpretation and the theory of relativity. The dialogue is strongly contextualised with respect to the main players in physics during the first 60 years of the 20th century.
Quantum theory. --- Relativity (Physics) --- Gravitation --- Nonrelativistic quantum mechanics --- Space and time --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics
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This collection of papers provides a broad view of the development of Lorentz and Poincaré invariance and space time symmetry throughout the past 100 years. The issues explored in these papers include: (1) formulations of relativity theories in which the speed of light is not a universal constant but which are consistent with the four-dimensional symmetry of the Lorentz and Poincaré groups and with experimental results, (2) analyses and discussions by Reichenbach concerning the concepts of simultaneity and physical time from a philosophical point of view, and (3) results achieved by the union
Symmetry (Physics) --- Relativity (Physics) --- Gravitation --- Nonrelativistic quantum mechanics --- Space and time --- Invariance principles (Physics) --- Symmetry (Chemistry) --- Conservation laws (Physics) --- Physics
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