The Principles of Quantum Mechanics

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Publisher : Oxford University Press
ISBN 13 : 9780198520115
Total Pages : 340 pages
Book Rating : 4.5/5 (21 download)

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Book Synopsis The Principles of Quantum Mechanics by : Paul Adrien Maurice Dirac

Download or read book The Principles of Quantum Mechanics written by Paul Adrien Maurice Dirac and published by Oxford University Press. This book was released on 1981 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of this work appeared in 1930, and its originality won it immediate recognition as a classic of modern physical theory. The fourth edition has been bought out to meet a continued demand. Some improvements have been made, the main one being the complete rewriting of the chapter on quantum electrodymanics, to bring in electron-pair creation. This makes it suitable as an introduction to recent works on quantum field theories.

The Value of Science

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781542718899
Total Pages : 92 pages
Book Rating : 4.7/5 (188 download)

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Book Synopsis The Value of Science by : Henri Poincare

Download or read book The Value of Science written by Henri Poincare and published by Createspace Independent Publishing Platform. This book was released on 2017-01-24 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Value of ScienceLa Valeur de la ScienceHenri Poincar�The Value of Science (French: La Valeur de la Science) is a book by the French mathematician, physicist, and philosopher Henri Poincar�. It was published in 1905. The book deals with questions in the philosophy of science and adds detail to the topics addressed by Poincar�'s previous book, Science and Hypothesis (1902).The search for truth should be the goal of our activities; it is the sole end worthy of them. Doubtless we should first bend our efforts to assuage human suffering, but why? Not to suffer is a negative ideal more surely attained by the annihilation of the world. If we wish more and more to free man from material cares, it is that he may be able to employ the liberty obtained in the study and contemplation of truth.But sometimes truth frightens us. And in fact we know that it is sometimes deceptive, that it is a phantom never showing itself for a moment except to ceaselessly flee, that it must be pursued further and ever further without ever being attained. Yet to work one must stop, as some Greek, Aristotle or another, has said. We also know how cruel the truth often is, and we wonder whether illusion is not more consoling, yea, even more bracing, for illusion it is which gives confidence. When it shall have vanished, will hope remain and shall we have the courage to achieve? Thus would not the horse harnessed to his treadmill refuse to go, were his eyes not bandaged? And then to seek truth it is necessary to be independent, wholly independent. If, on the contrary, we wish to act, to be strong, we should be united. This is why many of us fear truth; we consider it a cause of weakness. Yet truth should not be feared, for it alone is beautiful.