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TIL that the shape of Pringles has a name: hyperbolic paraboloid

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9Y9gB TIL of "MileHighClub" tours, which chartered flights with voyeur cams from Florida for people who wanted to have “sex in the sky”. The company suspended operations after an elderly couple booked the “Quickie” flight & were killed trying to hijack the plane to Cuba, crashing it into the sea
ANaYn TIL a 2013 Justin Bieber concert at the FNB stadium in Johannesburg, South Africa was rocked by an elaborate heist were the thieves made off with over 3 million rand (300,000 dollars) and were never caught.
7eyO TIL that buildings in Athens, along with many other cities, have height restrictions on them so they do not obstruct the views of skylines or monuments
1aGVr TIL that because of the Universe's expansion, a signal from an event happening at present will never reach the Earth if the event is more than 16 billion light years away
nerJb TIL the modern polo shirt was designed so the collar would intentionally be popped, preventing the sun from burning tennis players' necks.