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TIL about Annie Cook, a Madame in the 19th Century that turned her Memphis brothel into a hospital to help fight Yellow Fever

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loOpV TIL That Napoleon demanded a method of communication that would not require light or sound. Therefore ‘Night Writing’ was developed as a tactile military code, but proved too difficult for Napoleon’s troops to learn and was rejected. Night writing became the basis for braille.
0dgQM TIL: In the US they call Heath Robinson contraptions "Rube Goldberg machines"
E6Jw TIL the original Doom outsold the Windows OS. Id was only 12 employees strong at the time.
d8mL9 TIL in 1962 JFK wanted to create a nuclear economy which would have made viable massive desalination plants. Getting freshwater from saltwater “would really dwarf any other scientific accomplishments”
L96r TIL: In 2016 the most populous U.S. State (California) had 11.3 million more people living in it than the second most populous state (Texas). The difference was greater than the total population of Georgia, the eighth most populous state.