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TIL The piece that holds the rotor blades to the helicopter is known as the “Jesus nut”

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Mpg0 TIL that only law abiding citizens must register firearms with the U.S. DOJ Bureau of Alcohol, Tobacco, Firearms, and Explosives (BATFE). Criminals, or “prohibited persons,” are not required by law to register because it would violate their Fifth Amendment right against self-incrimination.
l7ElV TIL that farm raised salmon are not naturally“salmon” colored. They are grey and are given astaxanthin to make their flesh closer to the color of wild salmon and appetizing to the consumer
Egkap TIL: Presidents elected in years divisible by 20 have died in office or faced an assassination attempt
WkkZ8 TIL 'Nineteen Eighty-Four' nearly wasn't called 'Nineteen Eighty-Four'. In the year leading up to its publication, Orwell vocalised his indecision over what to call his novel before settling on 'Nineteen Eighty-Four'. Orwell took a long look at the title 'The Last Man in Europe'.
VMMrG TIL Hollywood briefly experimented with an interactive movie format akin to "Choose Your Own Adventure" books. Back to the Future co-writer Bob Gale wrote a film and directed a film called "Mr. Payback" in which audience members were able to choose what happened next. The results were disastrous.