› added 2 years ago

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TIL how a shipping error 100 years ago launched the $30 billion chicken industry

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YvDW TIL in a part of southern India there is a custom for children to kill their parents when they get too old or if they can’t afford to take care of them.
neDOd TIL that Albert Baez, the father folk singer Joan Baez, while enrolled at Stanford's doctoral program in physics co-invented (with his doctoral program advisor) the X-ray reflection microscope for examination of living cells. Later in his career he helped develop the x-ray telescope.
LQy6Q TIL about Yi Seok, a pretender to the Korean throne and a grandson of the last Emporer. He advocates for a Korean constitutional monarchy and teaches history at Jeonju University
jNkZv TIL in WW2 escape compasses for the RAF were sometimes hidden by being made to look like a button (unscrewing the top revealed the small compass). When the Germans found out, they changed to a reverse thread, so trying to unscrew the button the usual way tightened it instead, keeping it hidden.
b9O44 TIL the United States has military equipment stashed away in large caves in Norway so that if they need to defend them, the U.S. can just fly in troops and use the prepositioned equipment