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Create the page "1897 in science" on this wiki! See also the page found with your search.
- |discovered = [[J. J. Thomson]] (1897)<ref name=thomson/> ...ar momentum]] ([[Spin (physics)|spin]]) of a half-integer value, expressed in units of the [[Planck constant#Reduced Planck constant|reduced Planck const ...152 KB (20,398 words) - 19:37, 11 October 2023