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Physical Phenomena as Interpreted in Recent Times

William Wilson
Year: 1952 Pages: 10
A change in the outlook of physicists and in the associated physical theory began, rather gradually, as the end of last century approached. This had its origin in the unsuccessful efforts of the natural philosophers of that time to account satisfactorily for certain well-authenticated phenomena in terms of the accepted physical theory, which of course was based on Sir Isaac Newton\'s mechanical principles. One formidable problem emerged from. the fact that the interpretation of stellar aberration, on the one hand, and of the result of the experiments of Michelson and Morley (1887) on the other, led to conflicting conclusions about the motion of the luminiferous medium. relatively to the earth. Another, different, problem was that presented by the experimentally determined distribution of energy in the normal spectrum. (spectrum of black body radiation).