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Relativity and the Nature of Spacetime
The Frontiers Collection
Puts the emphasis on conceptual questions: Why is there no such thing as absolute motion? What is the physical meaning of relativity of simultaneity? But, the most important question that is addressed in this book is "what is the nature of spacetime?" or, equivalently, "what is the dimensionality of the world at the macroscopic level?"
Develops answers to these questions via a thorough analysis of relativistic effects and explicitly asking whether the objects involved in those effects are three-dimensional or four-dimensional.
Discusses the implication of the result (this analysis clearly shows that if the world and the physical objects were three-dimensional, none of the kinematic relativistic effects and the experimental evidence supporting them would be possible) for physics, philosophy, and our entire world view are discussed.
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What Reviewers Are Saying
From the reviews of the second edition:
"The book under review is mainly devoted to the physical consequences of special relativity and to the unveiling of the very nature of spacetime. ... The book is clear and well written and the bibliographic references are very good. It is recommended to physicists and to philosophers of science." (Francesco Sorge, Mathematical Reviews, Issue 2011 i)