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TIL: Duct tape should never be used for taping ducts

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rRn81 TIL that early refrigerating systems would use toxic substances like sulphur dioxide, ammonia and methyl chloride as coolants. Methyl chloride was also a gas used during WW1
pyWA TIL a “Pig Toilet” is a human toilet/outhouse connected to a pig sty, providing human feces to the pigs as their food source
69eLW TIL that a main reason historians are sure Frederick the Great was gay is on July 1750, the Prussian king unmistakably wrote to his gay secretary and reader, Claude Étienne Darget: “Mes hémorroïdes salient affectueusement votre v…” “My hemorrhoids affectionately greet your cock”
P86w TIL that The Shawshank Redemption’s director and writer, Frank Darabont, was offered $2.5 million from Rob Reiner to let him write and direct it instead, and cast Tom Cruise as Andy and Harrison Ford as Red. Darabont refused, saying that this was his “chance to do something really great.”
yVO9X TIL, in film, a clapperboard’s purpose is ensuring proper synchronization of audio and video in post-production. It provides a distinct “clap” along with a visual event for the editor to reference at the start of a scene.