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44

TIL that US nuclear code during 1970s to prevent unauthorized launch was 00000000

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8jYP TIL Isaac Asimov refused the invitation to visit friend and famed A.I. pioneer Marvin Minsky’s lab at MIT in the 1960s because he was “Writing about really intelligent robots of the future and was sure that if he came and saw the clumsy ones that we were making it would spoil his imagination.”
rl7W TIL In Mongolia, if your foot taps against someone else’s, it is respectful to immediately shake hands with them.
mxy8y TIL in 1698, Emperor Peter of Russia created the "Beard Tax". If you paid 60 Rubels, you got given a 'beard token' which you used to prove you had paid. None-payers had their faces shaved off in public.
7NQ7 TIL Tesla was able to perform integral calculus in his head, which prompted his teachers to believe that he was cheating.
1N0W TIL that an armored SUV could not protect US agents in Mexico during an ambush because the doors unlocked when the vehicle was put in park .