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TIL that in 1998 Australian Astronomers detected fast radio burst signals, and named them Perytons. It was soon discovered that it was escaping radiation from the microwave in the lunch room, which was being stopped by using the door release without pushing the stop button first.

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wkdo TIL early in Sylvester Stallone’s career he was so poor he sold his dog to a guy named “Little Jimmy” for $50 and later bought it back for $3000. He ended up casting Little Jimmy in his film Rocky.
p8r8b TIL Playing Tetris for three minutes stops you craving sex, alcohol and food
xVwEo TIL that Steve Jobs had just been pruning apple trees in Oregon which led him to call his company Apple. “It sounded fun, spirited, and not intimidating. Apple took the edge off the word computer, ” Jobs said. “Plus, it would get us ahead of Atari in the phone book.”
JYJwB TIL in 1946, one year after the end of the WW2, there was a pogrom in Poland. It was perpetrated by soldiers, police officers and civilians.
pYAP8 TIL the first Scram button on a nuclear reactor had its origins in 1942 where an actual control rod tied to a rope with a man with an axe stood next to it; cutting the rope would mean the rods would fall by gravity into the reactor core, shutting the reactor down.