In 1852, fluorite gave its name to the phenomenon of fluorescence, which is prominent in fluorites from certain locations, due to certain impurities in the crystal.

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Wikipedia contributors. (2024, January 31). Fluorite. In Wikipedia, The Free Encyclopedia. Retrieved February 21, 2024, from https://en.wikipedia.org/w/index.php?title=Fluorite&oldid=1201428553

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Intel 4004 (Wikipedia) The Intel 4004 is a 4-bit central processing unit (CPU) released by Intel Corporation in 1971. Sold for US$60 (equivalent to $450 in 2023), it was the first commercially produced microprocessor, and the first in a long line of Intel CPUs.

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