Sidelights on Relativity (Barnes & Noble Digital Library)

Sidelights on Relativity (Barnes & Noble Digital Library)

by Albert Einstein

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Elegantly written, these two influential essays offer unparalleled insight into the seminal thinking of Albert Einstein, the twentieth century’s greatest physicist. The essays outline aspects of two of Einstein’s revolutionary theories—his Special Theory of Relativity and his General Theory of Relativity—in simple prose devoid of abstruse language, ideal for scientists and laypeople alike.

Product Details

ISBN-13: 9781411448681
Publisher: Barnes & Noble
Publication date: 04/05/2011
Series: Barnes & Noble Digital Library
Sold by: Barnes & Noble
Format: NOOK Book
Pages: 64
Sales rank: 904,557
File size: 140 KB
Age Range: 3 Months to 18 Years

About the Author

Albert Einstein (1879–1955) was a German-born theoretical physicist who introduced revolutionary concepts regarding the nature of light-particles, the existence and nature of molecules, and the electrodynamics of moving bodies. In 1934 he left Germany, settling in Princeton, New Jersey and eventually becoming an American citizen. He won the Nobel Prize for physics in 1921.

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Sidelights on Relativity 4 out of 5 based on 0 ratings. 3 reviews.
Anonymous More than 1 year ago
I ordered this book for my son's term paper. It is excellent and a good informative book for anyone that is interested in Einstein.
ojodelince on LibraryThing More than 1 year ago
This little book, Sidelights on Relativity, presents two lectures given by Einstein. The first, concerns the relation between the ether concept and general relativity. Einstein concludes that the concept of empty space in general relativity is an existing entity, which may have properties (in analogy to the ether), but these properties are not mechanical or material in any sense, neither solid nor fluid. The second lecture, Geometry and Experience, gives a perfect example of the kind of property that empty space (modern version of the ether) may have. This property is that of 'curvature' which is the central concept of general relativity theory. He relates this concept to the geometrical measurements which are actually made in practice, in the sense of geometry as a physical science. He also gives some hints which may help the reader to visualize higher dimensional spaces. In addition, this lecture includes Einstein's often quoted remark "As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality". For Newton, the space between particles was absolutely empty, consisting of exactly nothing. In the 19th century some physicists considered the possibility that space could be filled with a medium (the ether) with material properties (solid or liquid) which could support vibrations (oscillations of motion). Einstein rejected both of these views and introduced the idea of a space which could have non-material properties but not material properties. This key concept has had an influence in both relativity theories and quantum theories, but its full implication has not yet been assimilated by the scientific culture. Thus this book may be of greater significance than the title suggests. This book is reminiscent of the book Essays in Science (Philosophical Library, 1930's) which is a collection of writings by Einstein on various scientific subjects. That book is abstracted from a still earlier work Mein Weltbild which gives Einstein's views on many topics including social issues.
Anonymous More than 1 year ago