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TIL America's treatment of Native Americans convinced Hitler of the practicality of genocide, and the Indian reservation system inspired him in creating concentration camps

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a8mmb TIL while making Luxo Jr, Pixar used Disney’s animation principles to show character emotions. They knew it had worked when, after the premiere, computer scientist Jim Blinn approached John Lasseter, and instead of asking about a technical detail, Blinn asked if the big lamp was the mom or the dad.
OoBB7 TIL The Chinese typewriter "Ming Kwai" could type over 90,000 characters, however due to it failing during a press conference it never went to production (despite it working the next day).
M7pvm TIL that scientists have developed a way of testing for Aphantasia (the inability to visualise things in your mind). The test involves asking participants to envision a bright light and checking for pupil dilation. If their pupils don't dilate, they have Aphantasia.
0wVWA TIL of LW Wright, a man who conned and lied his way into an official NASCAR Race in the spring of 1982. He immediately vanished after the race and hasn't been seen since because there are warrants for his arrest.
QNx7L TIL Henry Ford had two automobile companies fail to nothing before founding the Ford Motor Company which delivered the Model A in 1904