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TIL In the middle ages they tortured lousy musicians
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NXMnb
TIL The internal GPS of a specialized tracking mount for solar astronomy takes two minutes for its sun-sensor to detect the sun. It can also model the sun's position if it goes behind a cloud
rg1W
TIL that to put the roof on giant natural gas silos, they build the silo around the roof with an airtight fit, then use fans to slowly raise the roof up to the top
ya58
TIL Declassified Documents Prove the US used “Cloud Seeding” to extend the monsoon season during the Vietnam War
5YxVB
TIL that Barq's Root Beer is one of the only root beers that has caffeine.
n6LY
TIL That polar bears have a bone inside their penis to keep an erection going, and that pollution is causing the bones to weaken to the point where the bones are breaking.