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TIL that in a Black Mirror episode aired in December 2017, a self-driving pizza delivery truck hits a pedestrian. Two weeks later, Pizza Hut and Toyota announced a partnership to make self-driving cars that could deliver pizza.

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w9gJ TIL no recordings existed of Alexander Graham Bell’s voice until a wax on cardboard disc was discovered in 2013. In it we hear Bell say in a Scottish-tinged accent “Hear my voice… . Alexander. . Graham. . Bell”
v1814 Today I learned that club moss spores are so hydrophobic, if you pour them onto water, then stick your hand in the glass, it'll come out dry. Also, that it's super flammable. I heard it on a podcast but had to see it myself, and found this:
WkpJY TIL Silent film comedian Buster Keaton got his start in his father's vaudeville act at the age of 3. His act would be to goad his father into throwing him across the stage, and he became so good at falling that he rarely got bruises. He was eventually billed as "The Little Boy Who Can't Be Damaged."
MeRA0 TIL about Bishop Curry V - a 11 year old boy from Texas who invented a device called 'Oasis' that is intended to prevent hot car deaths of children. The device contains sensors that detects and manages the car's temperature as it alert parents and authorities.
8aPPP TIL Sudan has the most Pyramids in any country with over 350 found so far.