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TIL Al-Jazari, a 12th-century Kurdish polymath, invented the crankshaft, piston engine, valve, cam, mechanical clock, combination lock, hydropower driven water supply system, and the first programmable humanoid robot. Leonardo Da Vinci was inspired by his work.

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0wmgy TIL In 1919, Fritz Pollard became one of the first African-Americans to play in the NFL.One year¹ after making his debut,Fritz led his Akron Pros to their first ever NFL championship.The next year,Pollard became a player-coach with the same team and in effect became the NFL's first black head coach.
epPY6 TIL that Nietzsche's central concepts of Will to Power and Eternal Recurrence were in part inspired by long-forgotten natural scientist Johannes Gustav Vogt's "Force: A Realistic and Monistic Worldview" (1878), a work nowhere to be found and de facto lost for all of us
l7LP1 TIL of the Red Ghost, a legend about a demonic figure roaming Arizona in the late 1800's and once killed a woman. It turned out to be a feral camel with the decaying corpse of a man strapped on its back, likely a result of Jefferson Davis' attempt to create a camel division in the US army
7jJL TIL humans are the best known throwers in the animal kingdom. Even children can reach pitching speeds of ~70 mph, while healthy adult chimpanzees, our closest living relatives, can only throw at ~20 mph.
xVQJo TIL : This is my attempt to transform a fiction nobel into videos . The nobel is about the future humans and technology . Transhumans.