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TIL that there is such thing called "trapped keys" to prevent machines from being switched on automatically while someone is working on them

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oBvvR TIL that in 5 years, the Black Plague killed over 20 million Europeans, over a third of the continent's population at that time
a8LE0 TIL that not only was Jingle Bells not originally a Christmas song, it was originally written for and sung in a minstrel show by performers in blackface
E1Yb0 TIL that in 1856, a teacher strangled his student to death for killing his pet sparrow. The student's father shot and killed the teacher
BgVBd TIL In Troy (2004), Brad Pitt and Eric Bana did not use stunt doubles for their epic duel. They made a gentleman's agreement to pay for every accidental hit. $50 for each light hit, $100 for each hard blow. By the end of the scene, Bana didn't owe Pitt anything. Pitt ended up paying Bana $750.
8aJ9X TIL 2 aspects of dual process theory argues our consciousness actually includes 2 layers- The implicit portion- the part of your mind that reacts/responds automatically, or without conscious thought. The aspect of your consciousness that is truly conscious and controlled is the explicit portion.