Vereinigtes Königreich
William Henry Bragg
said
On Mondays, Wednesdays, and Fridays we use the wave theory; on Tuesdays, Thursdays, and Saturdays we think in streams of flying energy quanta or corpuscles.
— In Electrons & Ether Waves : being the twenty-third Robert Boyle lecture, on 11th May 1921, Oxford University Press, 1921, p. 11.
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