Abstract
THE earlier portion of Dr. Carmichael's book is a reprint of the first edition, which received notice in NATURE for March 12, 1914. The later pages, which are grouped together under one large chapter with twelve subheadings, deal with the generalised theory of relativity. The new chapter opens with a brief summary of results obtained from the restricted theory, and an account of the general theory follows. Sufficient detail is given to provide some explanation of the general theory of gravitation, the nature of the three phenomena by which experimental proof of the theory may be expected, and the connection between the generalised theory and Maxwell's electromagnetic equations. Applications of the theory other than those which are immediately associated with the fundamental ideas or with phenomena for testing the validity of the theory have been omitted in order that attention may be directed more readily to the more novel aspects of the theory.
The Theory of Relativity.
By Prof. R. D. Carmichael. Second edition. (Mathematical Monographs, No. 12.) Pp. 112. (New York: John Wiley and Sons, Inc.; London: Chapman and Hall, Ltd., 1920.) 8s. 6d. net.
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The Theory of Relativity . Nature 107, 264 (1921). https://doi.org/10.1038/107264d0
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DOI: https://doi.org/10.1038/107264d0