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(I) Action at a Distance1

Published online by Cambridge University Press:  25 February 2009

W. H. McCrea
W. H. McCrea
Affiliation:
University of London
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Extract

This is a subject of recurrent interest which calls for review from time to time; I believe the last word upon it can never be said. Several topical reasons might be cited for attempting to deal with it at the present time, but these could not be pursued to the relevant applications in such a short discussion. In fact the subject is obviously a difficult one to deal with at all briefly since it is so closely bound up with other large subjects—causality, space–time, and so on.

Information

Type
Discussion
Information
Philosophy , Volume 27 , Issue 100 , January 1952, pp. 70 - 76
Copyright
Copyright © The Royal Institute of Philosophy 1952

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References

Page 71 note 1 Reichenbach, H., Philosophic Foundations of Quantum Mechanics (University of California Press, 1944), p. 24.Google Scholar

page 72 note 1 Bohr, N., Atomic Theory and the Description of Nature (Cambridge, 1934), P.16.Google Scholar

page 73 note 1 Born, M., Natural Philosophy of Cause and Chance (Oxford, 1949), p. 17.Google Scholar

page 73 note 2 Synge, J. L., Trans Royal Soc., Canada (3), 28 (1934), pp. 127–71.Google Scholar

page 74 note 1 For this observer, the energy of the photon would also be zero. This is because the Doppler effect would reduce the apparent intensity of the source of radiation to zero; the in–ference is consistent with the fact that special relativity assigns zero proper–mass to a photon.

page 74 note 2 This is literally true. The radiation from a source of, say, visible radiation would appear to be X–rays, heat rays, radio waves to observers differing only in their velocity relative to the source.