Abstract
DR. SILBERSTEIN'S monograph is concerned with the hypothesis, now widely favoured, that space is not infinite, but is a closed domain analogous to the surface of a sphere. Besides giving a general account of this theory, it includes an exposition of certain views which have led him to an estimate of the ‘radius of space’ much smaller than the estimates of other writers. Whatever reservations we may wish to make with regard to this controversial part of the work, the book as a whole can be cordially welcomed. It is written lucidly, vividly, and with keen flashes of insight. It can scarcely be read by a non-mathematical reader; but the mathematician is not delayed with details, and is guided quickly and racily to the interesting results. The style of expression brings to mind vividly its enthusiastic and impetuous author. The reader may not always agree, but he will enjoy disagreeing with so ingenious an advocate.
The Size of the Universe: Attempts at a Determination of the Curvature Radius of Spacetime.
By Dr. Ludwik Silberstein. Pp. viii + 215. (London: Oxford University Press, 1930.) 10s. net.
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EDDINGTON, A. The Size of the Universe: Attempts at a Determination of the Curvature Radius of Spacetime . Nature 125, 849–850 (1930). https://doi.org/10.1038/125849a0
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DOI: https://doi.org/10.1038/125849a0
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