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TIL Files kept secret for 60 years indicate British intelligence may have knowingly sent more than 50 of its own agents to almost certain death in occupied Holland during the Second World War as part of a complicated "double double agent" game played against the Germans.

Read more telegraph.co.uk

via reddit.com

jbKj TIL in 1979, tens of thousands of rock fans gathered at a Chicago stadium to destroy disco vinyls. That day became known as “the day disco died”.
LQD7v TIL that some Bronze Age Anatolians worshipped a god of unclear domain named Santa (no relation)
Bg1yr TIL The Jetsons, seminal cartoon from Hanna-Barbera, lasted only one season, 1962-1963, and 24 episodes, broadcasted in primetime sunday. It was only after it was shown in reruns in saturday mornings that it became a hit, and new episodes were made in 1985-87.
ADpLo TIL of the Wifatch computer virus, that instead of installing malicious software actively protects infected units from attack.
6EMd8 Hong Kong-based students, Sum Ming Wong and Kin Pong Li designed a door handle that uses light to always keep itself sterilized. The students were inspired by the SARS outbreak in the 2000s and figured that a self-sanitizing door handle is more effective than the chemical-based cleaning processes we are using right now. The handle is made of a glass tube with aluminum caps at each end and the entire handle is covered in a powdered photocatalytic coating made from a mineral called titanium dioxide. The bacteria is decomposed through a chemical reaction that is activated by UV light reacting with the thin coating on the glass tube.