A Theory of the X-Rays1


THE principal facts, which any satisfactory theory of the X-rays is called upon to explain, may be summarised as follows: (1) The production of the rays by electric impulse, at the kathode,2 in a highly exhausted enclosure. (2) Propagation in straight lines and absence of interference, reflection, refraction and polarisation. (3) The importance of density of the medium as the determining factor in the transmission of the rays. (4) The production of fluorescence and actinic effects, and the action on electrified conductors.


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MICHELSON, A. A Theory of the X-Rays1. Nature 54, 66–67 (1896). https://doi.org/10.1038/054066b0

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