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TIL Knocker Upper , before alarm clockswere affordable or reliable. A knocker-up’s job was to rouse sleeping people so they could get to work on time. They used a truncheon or short, heavy stick to knock on the clients’ doors or a long and light stick to reach windows on higher floors.

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XZNr TIL “Censored Eleven”; 11 cartoons by Looney Toons/Merrie Melodies from the late 1930s-early 1940s that were banned since 1968 for racism. All cartoons in topic. [NSFW]
OoPOa TIL of Alexei Maresyev, a Soviet fighter ace who, upon being shot down, crawled for 18 days and nights back to Soviet territory. Even though his legs had to be amputated due to frostbite, he was soon back in the air with the assistance of prosthetic legs.
orGE TIL A snail’s venom could make a pain-killer 1000x more powerful than Morphine. And it’s non-addictive
p8xre TIL that every number is the sum of three palindromes
pYYGe TIL that 98% of electricity generation whether nuclear, coal, hydro, or wind - are all just different methods of spinning electromagnets. Solar is the only industrial- scale method that doesn’t use turbines of some kind.