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TIL the term “Glory Hole” originated in glass blowing. It is the hole providing access to a furnace used to reheat a piece of glass in between steps in the process.

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WkyRY TIL when German WWII U-boats would cruise below the surface with diesel engines running, waves swamping the snorkel tubes would cause the engines to suck air from the boat to keep running, producing a partial vacuum. Crews reported it was very painful, and eardrums were sometimes ruptured.
1aDl8 TIL that a "mirror world" is a representation of the real world in digital form.
VZPG TIL Pepsi owns KFC, Taco Bell, and Pizza hut
9wdX TIL The Shining is the 2nd highest ranked movie for both Stanley Kubrick and Jack Nicholson on IMDB (#45 all-time), yet was nominated for no Oscars or Golden Globes and was nominated for two Razzies, including Worst Director.
4XDVg TIL Ghana is considered ‘Africa for beginners’, while its neighbour Nigeria is ‘Africa for the very experienced’, due to its reputation as one of the world’s most difficult places to travel in. Away from the expat suburbs of Lagos, Westerners are a rare sight