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Gravity


Three Roads To Quantum Gravity (Science Masters)

Three Roads To Quantum Gravity (Science Masters) Lowest new price: $4.88
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Author: Lee Smolin

The Holy Grail of modern physics is a theory of the universe that unites two seemingly opposing pillars of modern science: Einstein's theory of general relativity, which deals with large-scale phenomena (planets, solar systems and galaxies), and quan

It's difficult, writes Lee Smolin in this lucid overview of modern physics, to talk meaningfully about the big questions of space and time, given the limitations of our technology and perceptions.

It's more difficult still given some of the contradictions and inconsistencies that obtain between quantum theory, which "was invented to explain why atoms are stable and do not instantly fall apart" but has little to say about space and time, and general relatively theory, which has everything to say about the big picture but tends to collapse when describing the behavior of atoms and their even smaller constituents. Whence the hero of Smolin's tale, the as-yet-incomplete quantum theory of gravity, which seeks to unify relativity and quantum theory--and, in the bargain, to move toward a "grand theory of everything." Smolin ably explains concepts that underlie quantum gravity, such as background independence, the superposition principle, and the notion of causal structure, and he traces the development of allied theories that have shaped modern physics and led to this new view of the universe.

Although he allows that "it has not been possible to test any of our new theories of quantum gravity experimentally," Smolin predicts that a solid framework will be established by 2015 at the outside. If he's correct, the years in between promise to be an exciting time for students of the physical sciences, and Smolin's book makes an engaging introduction to some of the big questions they'll be asking. --Gregory McNamee

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How Einstein Created Relativity out of Physics and Astronomy (Astrophysics and Space Science Library)

How Einstein Created Relativity out of Physics and Astronomy (Astrophysics and Space Science Library) Lowest new price: $88.92
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Author: David Topper
Brand: Brand: Springer

This book tracks the history of the theory of relativity through Einstein’s life, with in-depth studies of its background as built upon by ideas from earlier scientists. The focus points of Einstein’s theory of relativity include its development throughout his life; the origins of his ideas and his indebtedness to the earlier works of Galileo, Newton, Faraday, Mach and others; the application of the theory to the birth of modern cosmology; and his quest for a unified field theory. Treading a fine line between the popular and technical (but not shying away from the occasional equation), this book explains the entire range of relativity and weaves an up-to-date biography of Einstein throughout.  The result is an explanation of the world of relativity, based on an extensive journey into earlier physics and a simultaneous voyage into the mind of Einstein, written for the curious and intelligent reader.

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'Nature and the Greeks' and 'Science and Humanism' (Canto original series)

'Nature and the Greeks' and 'Science and Humanism' (Canto original series) Lowest new price: $31.17
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Author: Erwin Schrödinger
Brand: Cambridge University Press

Nobel laureate Erwin Schrödinger was one of the most distinguished scientists and philosophers of the twentieth century, and his lectures are legendary. Here the texts of two of Schrödinger's most famous lecture series are made available again. In the first, entitled "Nature and the Greeks," Schrödinger offers a historical account of the scientific world picture. In the second, called "Science and Humanism," he addresses fundamental questions about the link between scientific and spiritual matters. As Roger Penrose confirms, these are the profound thoughts of a great mind, and as relevant today as when they were first published in the 1950s.

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Special Relativity in General Frames: From Particles to Astrophysics (Graduate Texts in Physics)

Special Relativity in General Frames: From Particles to Astrophysics (Graduate Texts in Physics) Lowest new price: $71.87
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Author: Eric Gourgoulhon

Special relativity is the basis of many fields in modern physics: particle physics, quantum field theory, high-energy astrophysics, etc. This theory is presented here by adopting a four-dimensional point of view from the start. An outstanding feature of the book is that it doesn’t restrict itself to inertial frames but considers accelerated and rotating observers. It is thus possible to treat physical effects such as the Thomas precession or the Sagnac effect in a simple yet precise manner. In the final chapters, more advanced topics like tensorial fields in spacetime, exterior calculus and relativistic hydrodynamics are addressed. In the last, brief chapter the author gives a preview of gravity and shows where it becomes incompatible with Minkowsky spacetime.
Well illustrated and enriched by many historical notes, this book also presents many applications of special relativity, ranging from particle physics (accelerators, particle collisions, quark-gluon plasma) to astrophysics (relativistic jets, active galactic nuclei), and including practical applications (Sagnac gyrometers, synchrotron radiation, GPS). In addition, the book provides some mathematical developments, such as the detailed analysis of the Lorentz group and its Lie algebra.
The book is suitable for students in the third year of a physics degree or on a masters course, as well as researchers and any reader interested in relativity.
Thanks to the geometric approach adopted, this book should also be beneficial for the study of general relativity.

“A modern presentation of special relativity must put forward its essential structures, before illustrating them using concrete applications to specific dynamical problems. Such is the challenge (so successfully met!) of the beautiful book by Éric Gourgoulhon.” (excerpt from the Foreword by Thibault Damour)

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Mass Control: Engineering Human Consciousness

Mass Control: Engineering Human Consciousness Lowest new price: $11.84
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Author: Jim Keith
Brand: Brand: Adventures Unlimited Pr

Book annotation not available for this title.
Title: Mass Control
Author: Keith, Jim
Publisher: Scb Distributors
Publication Date: 2003/08/01
Number of Pages: 256
Binding Type: PAPERBACK
Library of Congress:

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Modern Canonical Quantum General Relativity (Cambridge Monographs on Mathematical Physics)

Modern Canonical Quantum General Relativity (Cambridge Monographs on Mathematical Physics) Lowest new price: $56.98
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Author: Thomas Thiemann

Modern physics rests on two fundamental building blocks: general relativity and quantum theory. General relativity is a geometric interpretation of gravity while quantum theory governs the microscopic behaviour of matter. Since matter is described by quantum theory which in turn couples to geometry, we need a quantum theory of gravity. In order to construct quantum gravity one must reformulate quantum theory on a background independent way. Modern Canonical Quantum General Relativity provides a complete treatise of the canonical quantisation of general relativity. The focus is on detailing the conceptual and mathematical framework, on describing physical applications and on summarising the status of this programme in its most popular incarnation, called loop quantum gravity. Mathematical concepts and their relevance to physics are provided within this book, which therefore can be read by graduate students with basic knowledge of quantum field theory or general relativity.

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Gravitational Force of the Sun

Gravitational Force of the Sun Lowest new price: $28.45
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Author: Pari Spolter

The book presents new concepts in the study of gravitation. A new equation for the gravitational force is introduced, which is the correct interpretation of Kepler's third law and which has been verified experimentally to very high precision. The equation is F = a.A, or force = acceleration Area. The book also presents equations for the sequential distances of the planets from the sun and of satellites from the centers of Jupiter, Saturn, and Uranus, with correlation coefficients upwards of 0.99, concluding that gravitation is quantized. A simple and useful equation for eccentricity is presented as the ratio of the sum of perturbations to the gravitational force of the sun. It is shown that Kepler's second law is not a general law; i.e., equal areas are swept in approximately equal intervals of time only near aphelion and perihelion. There is now confusion between the concepts of "force" and "energy." In the last chapter of the book, new units are introduced to clarify the two concepts. Any equation containing "mass" relates to the concept of "energy". Force is independent of mass.

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Making Starships and Stargates: The Science of Interstellar Transport and Absurdly Benign Wormholes (Springer Praxis Books / Space Exploration)

Making Starships and Stargates: The Science of Interstellar Transport and Absurdly Benign Wormholes (Springer Praxis Books / Space Exploration) Lowest new price: $32.61
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Author: James F. Woodward
Brand: Brand: Springer

To create the exotic materials and technologies needed to make stargates and warp drives is the holy grail of advanced propulsion. A less ambitious, but nonetheless revolutionary, goal is finding a way to accelerate a spaceship without having to lug along a gargantuan reservoir of fuel that you blow out a tailpipe. Tethers and solar sails are conventional realizations of the basic idea.

There may now be a way to achieve these lofty objectives. “Making Starships and Stargates” will have three parts. The first will deal with information about the theories of relativity needed to understand the predictions of the effects that make possible the “propulsion” techniques, and an explanation of those techniques. The second will deal with experimental investigations into the feasibility of the predicted effects; that is, do the effects exist and can they be applied to propulsion? The third part of the book – the most speculative – will examine the question: what physics is needed if we are to make wormholes and warp drives? Is such physics plausible?  And how might we go about actually building such devices? This book pulls all of that material together from various sources, updates and revises it, and presents it in a coherent form so that those interested will be able to find everything of relevance all in one place.

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Einstein's Universe: Gravity at Work and Play

Einstein's Universe: Gravity at Work and Play Lowest new price: $7.01
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Author: A. Zee

On Albert Einstein's seventy-sixth and final birthday, a friend gave him a simple toy made from a broomstick, a brass ball attached to a length of string, and a weak spring. Einstein was delighted: the toy worked on a principle he had conceived fifty years earlier when he was working on his revolutionary theory of gravity--a principle whose implications are still confounding physicists today.

Starting with this winning anecdote, Anthony Zee begins his animated discussion of phenomena ranging from the emergence of galaxies to the curvature of space-time, evidence for the existence of gravity waves, and the shape of the universe in the first nanoseconds of creation and today. Making complex ideas accessible without oversimplifying, Zee leads the reader through the implications of Einstein's theory and its influence on modern physics. His playful and lucid style conveys the excitement of some of the latest developments in physics, and his new Afterword brings things even further up-to-date.

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From Special Relativity to Feynman Diagrams: A Course of Theoretical Particle Physics for Beginners (UNITEXT / Collana di Fisica e Astronomia)

From Special Relativity to Feynman Diagrams: A Course of Theoretical Particle Physics for Beginners (UNITEXT / Collana di Fisica e Astronomia) Lowest new price: $65.30
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Author: Riccardo D'Auria

The first two chapters of the book deal, in a detailed way, with relativistic kinematics and dynamics, while in the third chapter some elementary concepts of General Relativity are given.
Eventually, after an introduction to tensor calculus, a Lorentz covariant formulation of electromagnetism is given its quantization is developed.
For a proper treatment of invariance and conservation laws in physics, an introductory chapter on group theory is given. This introduction is propedeutical to the discussion of conservation laws in the Lagrangian and Hamiltonian formalism, which will allow us to export this formalism to quantum mechanics and, in particular, to introduce linear operators on quantum states and their transformation laws. In the last part of the book we analyze, in the first quantized formalism, relativistic field theory for both boson and fermion fields. The second quantization of free fields is then introduced and some preliminary concepts of perturbation theory and Feynmann diagrams are given and some relevant examples are worked out.

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