Abstract
I. PERHAPS the most comprehensive generalisation in physical science since Newton's enunciation of the law of gravitation is the conception of an all-pervading æther, the medium of transmission of light and of electrical and magnetic disturbances. From the time when Maxwell adopted this conception from Faraday and established the identity of light and electric waves, the “æther” has become a fundamental element of our thought about the physical world.
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CUNNINGHAM, E. The Principle of Relativity . Nature 93, 378–379 (1914). https://doi.org/10.1038/093378a0
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DOI: https://doi.org/10.1038/093378a0