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Shadows of RealityThe Fourth Dimension in Relativity, Cubism, and Modern Thought$
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Tony Robbin

Print publication date: 2006

Print ISBN-13: 9780300110395

Published to Yale Scholarship Online: October 2013

DOI: 10.12987/yale/9780300110395.001.0001

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PRINTED FROM YALE SCHOLARSHIP ONLINE (www.yale.universitypressscholarship.com). (c) Copyright Yale University Press, 2020. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in YSO for personal use.date: 07 April 2020

The Truth

The Truth

(p.41) 4 The Truth
Shadows of Reality

Tony Robbin

Yale University Press

This chapter discusses how four-dimensional geometry was used to solve a problem in physics, namely the problem regarding the ether (the all-pervasive medium that transmitted waves of light). It introduces the four-dimensional invariant spacetime object, which Henri Poincaré invented in an effort to explain the absence of the ether. This, along with Albert Einstein's ideas on changing clocks, led to the creation of a geometric vision of relativity. In addition, this chapter considers the rigid slicing model of four-dimensional geometry and Hermann Minkowski's four-dimensional matrix of time and space.

Keywords:   physics, ether, light waves, spacetime object, Henri Poincaré, Albert Einstein, changing clocks, relativity, rigid slicing model, matrix

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