Abstract
IN 1923, H. A. Wilson put forward a conjecture whereby an electrically neutral, gravitating mass was supposed to be endowed with some of the properties of a charge ; the phenomena of electromagnetism and gravitation, hitherto surprisingly independent, were to be related. The suggested relation was that the motion of the gravitational field of a mass should result in magnetism, just like the motion of the electric field of a charge. If the field of a mass is as strong as the electric field of a charge, then the one should be as potent in producing magnetism as the other. (Equality of strength of the fields can be defined by means of two equal masses and two equal charges.) For a rotating object this theory would predict proportionality between angular momentum and magnetic moment.
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GOLD, T. Rotation and Terrestrial Magnetism. Nature 163, 513–515 (1949). https://doi.org/10.1038/163513a0
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DOI: https://doi.org/10.1038/163513a0
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