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TIL, in the 1990s, USAF Developed MARAUDER, a Plasma Toroid Rail Gun That Theoretically Could Fire Plasma Projectiles at 10,000 km/s, 3% the Speed of Light. In the Mid-1990s Results Were Classified Due its Success.

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Z8lE4 TIL the silver-backed chevrotain is a tiny deer-like creature about the size of a small rabbit native to southern Vietnam. Feared nearly extinct, it was photographed for the first time in over 30 years in 2018, making it the first mammal rediscovered under the Global Wildlife Conversation program.
lEbB TIL chickens have special eyes. the unusual arrangement of cells in a chicken’s eye constitutes the first known biological occurrence of a potentially new state of matter known as “disordered hyperuniformity”
1654d TIL The scene in Spider-Man (2002) where Peter Parker catches Mary Jane’s tray in the school cafeteria does not have any CGI. The whole thing was actually done by Tobey Maguire himself. It took him 156 takes to get it perfectly.
KY9mw TIL that while Gina DeJesus was held captive for years in Ariel Castro's house, her father unknowingly interacted with Castro, even sharing beers and conversations in his garden, never realizing his daughter was imprisoned mere feet away.
neler TIL Tom Petty wrote the song "I Wont Back Down" after an arsonist burned down his house and he escaped with just the clothes on his back.