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TIL There are microchips (RFID tags) in NFL footballs and uniforms that are used to measure, among many other things, how fast a ball or player moves.

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via reddit.com

YXXv TIL that a man went through simulated labor to put an end to the age old debate about pain thresholds…and called mercy after three hours.
d8oeZ TIL that Japan planned to order the US to give them Washington state as part of a list of official victory demands upon winning WWII, which many at the time considered highly likely.
RJlQ TIL over 10% of PIN numbers are ‘1234’.
e0Mpn TIL: the Red-necked wallaby, found in eastern Australia & Tasmania, eats roots & leaves & also likes weed
B5r TIL the national animal of Scotland is a unicorn