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TIL the blue LED was almost impossible to make due to difficulties manufacturing the key material, without defects

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KY6VQ TIL researchers from the University of Applied Sciences in Switzerland calculated the value of pi to over 62 trillion digits taking over 108 days to complete the calculation.
v1BMD TIL that Queen Elizabeth of United Kingdom (then princess), joined the Auxiliary Territorial Service (ATS) as a mechanic and a driver in 1945 and became the first female member of the Royal family to become an active full-time member of the armed services.
xVX7b TIL that GameStation, a UK video game retailer, added a clause to their T&C's that stated that you surrender your immortal soul when you place an order through their site, to show that people don't read them. They now own 7500+ souls.
9Yyb7 TIL there is a story in the bible about two bears attacking some kids for making fun of a bald guy
PXNL TIL Comedy Central only agreed to air the word “shit” uncensored in the South Park episode “It Hits the Fan” (the first South Park to do so) if the word was used an absurdly high number of times. The episode had 200 total shits, 162 spoken, 38 written.