Alfie was listening to his sister practice her singing. "Sis," he said, "I wish you'd sing Christmas carols." "Thats nice of you, Alfie," she replied, "but why?" Alfie replied, "Because then I'd only have to hear your voice once a year!"
In 1940, a U.S. patent was issued to Enrico Fermi et al., for a process of producing radioactive substances (No. 2,206,634).
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