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The demand for consistency between a quantum description of matter and a geometric description of spacetime, as well as the appearance of singularities (where curvature length scales become microscopic), indicate the need for a full theory of quantum gravity. For example; for a full description of the interior of black holes, and of the very early universe, a theory is required in which gravity and the associated geometry of space-time are described in the language of quantum physics. Despite major efforts, no complete and consistent theory of quantum gravity is currently known, even though a number of promising candidates exist.There is a need for a book on a Quantum Theory of Gravity that is not directed at specialists but, rather, sets out the concepts underlying this subject for a broader scientific audience and conveys joy in their beauty. The author has written with this goal in mind, and has succeeded admirably. This wonderful and exciting book is optimal for physics graduate students and researchers. The physical explanations are exceedingly well written and integrated with formulas. Quantum Gravity is the next big thing and this book will help the reader understand and use the theory.
In Newton's view, all objects exert a force that attracts other objects. That universal law of gravitation worked pretty well for predicting the motion of planets as well as objects on Earth and it's still used, for example, when making the calculations for a rocket launch. But unfortunately it cannot be derived from first principles. In this book gravity has been derived from first principles without any assumptions. What has been believed to be a fundamental force for years can actually be derived from first principles has this book explains. The derivation is simple and straight forward. The experiment to the derivation has also been proposed. This book will help us rethink Physics.
This book takes you through the history of gravity, its success and failures along the way. From Newton's law of gravity, to Einstein's general relativity, to MOND, through Gravitons to Quantum gravity and string theory nearer to Emergent gravity untill when the Fifth force is presented and finally gravity is fixed.
Since it was developed, Newton's law of gravitation and many other laws of physics cannot be derived from one grand underlying principle. Deriving Newton's law of gravitation or Einstein general relativity theory, would mean that gravity emerges from something else and that would mean that the only known Newton's law of universal gravity is no longer a fundamental law of physics. Although this might be true, I believe that everything must have an origin. I believe that there is a fundamental universal physical law from which all other known physical laws can be deduced. I also believe that the laws of physics are not picked at random but there exists an underlying principle from which they can be derived with ease. Failure for some minds to grasp this principle doesn't mean that it doesn't exist. Because I was used to deriving and proving formulae in pure math, I didn't like the way the laws of physics were presented to me without proof. A physics tutor would just write down a set of physical laws without proof. There are so many physics books which still do the same thing. Being curious and passionate to finding out how I could derive all the laws of physics from one single equation is proof that this book would have never existed in the first place if had not discovered the hidden principle that underlies all physics.
Since it was developed, Newton's law of gravitation and many other laws of physics cannot be derived from one grand underlying principle. Deriving Newton's law of gravitation or Einstein general relativity theory, would mean that gravity emerges from something else and that would mean that the only known Newton's law of universal gravity is no longer a fundamental law of physics. Although this might be true, I believe that everything must have an origin. I believe that there is a fundamental universal physical law from which all other known physical laws can be deduced. I also believe that the laws of physics are not picked at random but there exists an underlying principle from which they can be derived with ease. Failure for some minds to grasp this principle doesn't mean that it doesn't exist. Because I was used to deriving and proving formulae in pure math, I didn't like the way the laws of physics were presented to me without proof. A physics tutor would just write down a set of physical laws without proof. There are so many physics books which still do the same thing. Being curious and passionate to finding out how I could derive all the laws of physics from one single equation is proof that this book would have never existed in the first place if had not discovered the hidden principle that underlies all physics.
Balungi has discovered the secret formulas behind the Kentucky Fried Chicken (KFC), Coca-Cola, Facebook, Google, the Theory of Everything, Quantum Gravity and the list is endless. Fifty of the most important equations in physics, economics, mathematics, catering, beverages are all given and expalined in this bestselling book.
This well researched and thought experiment book is a good introduction to quantum gravity and has a lot of interesting history about the development of the theory since 1899. It''s an informal introduction to a very difficult and doubtfully intelligible theory doubted even by its most ingenious contributors. The reader should expect that he/she will have to concentrate hard on what Balungi says but the rewards are significant. He is a talented physicist and a good writer. If you read it carefully and stop to think about the message as it unfolds then you will get a worthwhile if imperfect picture of what the theory is saying and how it was invented,It''s buried treasure and you will have to do some digging. It is a really serious attempt to do all that can be done in an informal style. Balungi explains and re-defines Einstein''s theory of general relativity, quantum mechanics, black holes, the complex architecture of the universe, elementary particles, gravity, and the nature of the mind. This wonderful and exciting book is optimal for physics graduate students and researchers. Not since Stephen W Hawking''s celebrated best-seller Brief History of Time has physics been so vividly, intelligently and entertainingly revealed.
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