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TIL Lenny Lipton, The man who wrote the children's song "Puff the Magic Dragon" also invented the modern method of projecting 3-D movies

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16lAD TIL about Sea Change, the world's first hydrogen fuel cell commercial ferry. It was launched in August of 2021, initially for the Bay area of San Francisco, CA, US. It is 75 feet long and holds 70 passengers. After burning fuel, the only emission is water.
awlkb TIL Tim Burton's name was added to The Nightmare Before Christmas' title as a strategy to broaden marketing appeal. After a preview screening to a group of schoolchildren, Disney worried the film was too dark for kids. So, they had it released under a PG rating through distributor Touchstone Films.
pbje TIL To prove that stomach ulcers are caused by bacteria, Barry Marshall drank broth filled with infectious bacteria, got ulcers, then cured himself with antibiotics. He won a Nobel Prize.
VaxB TIL there is only one instance in history that a submarine managed to intentionally sunk another submerged submarine in combat.
YpZQv TIL facial hair doesn't "stop growing", but rather each follicle has a limited lifespan. People who can grow longer beards have follicles that survive for longer before falling out