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TIL that the Great Pyramid of Giza was originally constructed with a covering of polished casing stones that would act like gigantic mirrors and reflect light so powerful that the pyramid would be visible from the moon.

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via reddit.com

mE7o TIL a chimp in a Swedish zoo collected round disks of concrete, stockpiled them, and saved them until he could throw them at visitors. “Nothing like it has as yet been reported from the wild, nor from any captive chimpanzees”
YpdAA TIL that in 1979 Porsche 935 Turbo racecar acted as the slipstream car for an attempt on the bicycle speed record, with 240km/h (149mph) the target.
YpENv TIL Apple pie is not American. Pie was invented in Medieval England, while the modern recipe for apple pie with a lattice crust was created and perfected by the Dutch.
WkVZo TIL in the state of Texas, possession of any amount of marijuana edibles is a FELONY. If you’re caught in possession of a single THC gummy bear in Texas, you will be sent to jail for at least 180 days.
yQMXX TIL That they use GMT as the timezone on the International Space Station.