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TIL Gun suppressors only reduce damage to ear drums. They do not make gunshots silent

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4keWN TIL While the Confederacy used the strongest cipher available during the Civil War, the Vigenère cipher, the Union consistently cracked it. This was because the Confederates only ever used three key phrases: "Manchester Bluff", "Complete Victory" and, as the war came to a close, "Come Retribution".
KYYr9 TIL that in 1893 financier J.P. Morgan and the Rothschilds bailed out the U.S. Treasury with 3.5 million ounces of gold, saving it from default. Over 100 years later, Morgan's bank was bailed out by the federal government during the 2008 financial crisis.
gM4yW TIL of Bert Schneider's controversial speech when he won the Best Documentary Oscar in 1975 for his Anti-Vietnam film Hearts and Minds. He read out a telegram from the Vietcong delegate to the Paris Peace Talks, thanking the antiwar movement for all they had done on behalf of peace.
nWjWr TIL in 1959 residents of Cortez, Colorado observed a UFO landing which became a local legend. Declassified files from the US military 50 years later revealed the real incident was an emergency landing of a top secret U-2 spy plane
wQWE TIL a “paracosm” is the proper word for a detailed imaginary world created inside one’s mind.