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TIL: There’s an 2,000 year-old analog computer called the Antikythera mechanism

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N7lg6 TIL people vandalize and protest the statue of Winston Churchill, one of the great humans of history - a true giant of our race, a man who may have literally saved the world from Nazi rule
awkPJ TIL as a result of World War II the population of London fell so dramatically that the city didn't return to its pre-war population level until January 2015.
kyRE TIL in 1958, the Chinese captured a US Sidewinder missile just four days after it was introduced into combat when it got stuck in a Chinese jet during a dogfight with Taiwan aircraft. It was reverse-engineered into the Soviet AA-2 Atoll (K-13) missile and used against US planes in Vietnam.
OGGP7 TIL a blue whale’s heart weighs as much as a cow.
OG9ba TIL That Crosby Stills Nash and Young performed at both Woodstock 69 and 94 as well as Live Aid making them the only group to do so