Abstract
WHEN X-rays pass through a gas, only a very small fraction of the molecules—in favourable circumstances, one in a billion—is ionised by them, and the extent of this ionisation is unaffected by temperature. Writers on radiation seem to have difficulty in reconciling this with the wave theory of light. I venture to suggest that the difficulty arises from an imperfect comprehension of what the wave theory requires.
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HOUSTOUN, R. Ionisation and Radiation. Nature 103, 145 (1919). https://doi.org/10.1038/103145a0
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DOI: https://doi.org/10.1038/103145a0
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