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TIL that during the Vietnam War, an American POW used his blinking to spell out the word 'TORTURE' in Morse code when he was forced to perform in a Vietnamese propaganda film that was to be sent to the U.S.

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l7pYG Today I learned that Canada was going to build Nuclear submarines in the eighties
N7Drb TIL In his autobiography Burt Ward, best known for his portrayal of Robin in the original Batman and Robin TV series, admitted to taking advantage of his fame, donating his “Bat-sperm” to his female fans in what he called “The Ultimate Autograph” by ejaculating into signed cards.
a86Y9 TIL planets are round because of gravity. A planet's gravity pulls equally from all sides. Gravity pulls from the center to the edges like the spokes of a bicycle wheel.
ZpAOD TIL about "inspector satellites", spy satellites that are launched to monitor foreign spy satellites by flying into orbits that are closely synchronised to theirs.
LRgr TIL The only person to ever create 3 companies to go public on the New York stock exchange was a trucker who only got into it because his family could not afford to send him to college. He ended up creating the entire shipping container industry, as well as the ships that carry them. Malcom McLean.