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177

TIL that the dinosaur noises in Jurassic Park were made from recordings of tortoises having sex.

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OoOae TIL that a USSR physicist published his equations for solving reflected electromagnetic waves from surfaces, as the Soviet authorities considered them insignificant for military purposes. His work was found by Lockheed in the 1970s, leading to a breakthrough in developing their stealth plane F-117.
KYAMR TIL that when Jack Webb, most known as Sergeant Joe Friday in the TV & radio police procedural Dragnet, died. Friday’s badge number in the LAPD (714) was retired and, Webb was buried with full police honors.
P1JZ TIL the Tesla Model S is road tested on an indoor track because their cars don’t produce any emissions.
788YL TIL Peter Laird, creator of TMNT, hated the 5th turtle Venus de Milo, from the short lived The Next Mutation, so much that she's not allowed to even be mentioned or joked about around him
EgG77 TIL although it is known that George Washington bought teeth from enslaved people, there is evidence that the intended recipient was a dentist named Jean Pierre Le Mayeur who was performing tooth transplants in the area at the time