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TIL that the hawk-eye technology, used for video assistance in sports like soccer and tennis, was first implemented in a 2001 cricket match between England and Pakistan.

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via reddit.com

NX0pb TIL that the largest spider in the world, the Goliath Bird Eater, is edible and has been described as “shrimp-like”
0wNLy TIL The Unabomber was a subject in CIA MK Ultra experiments at Harvard that may have shaped his personality for his future bombings
gr0Ay TIL that the hagfish is the only known vertebrate animal with a skull but no spine. Instead it has separate bone sections in its back that function as a spine. They're also capable of absorbing nutrients from the surrounding water directly through their skin.
awQDo TIL that Charles goodyear, the man who invented the tyre (by accident) went a little rubber crazy and obsessed, to the point he started wearing clothes made of rubber and eating off rubber dishes. He sold almost every belonging he had and replaced it with a tyre equivalent
ej8g TIL that there is an airtight room in a University in Georgia (US), sealed in 1940, to be opened in the year 8113. The “Crypt of Civilization” contains a wealth of artifacts from literary works to everyday items.