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TIL that in the middle ages Christian priests would recite "hoc est corpus", meaning "this is the body", during mass when turning bread into the body of Christ. Since nobody spoke or understood Latin, this chant was garbled into "hocus pocus", which we still use when performing magic tricks today.

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yQJEw TIL Alan Turing proposed gin (the alcohol) as a medium in which to store data in a computer
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