› added 8 months ago

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TIL you shouldn't rinse after brushing your teeth

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R5PX9 TIL there is a project that found a way to remove captured CO₂ permanently by making sparkling water and make a rock in the deepness of the earth drink it
QJD0X TIL that British longbows in the 1600's netted much longer firing ranges than the contemporary Native American Powhaten tribe's bows (400 yds vs. 120 yds, respectively). Colonists from Jamestown once turned away additional longbows for fear that they might fall into the Powhaten's hands.
YpAwx TIL About Malcolm Myatt who in 2013 had a stroke and due to damage to his frontal lobe lost the ability to feel sad.
PYAnL TIL: In 1995 Richard Stallman, a well-known critic of the patent system, testified in Patent Office hearings that, to test the system, a colleague of his had managed to win a patent for one of Kirchhoff's laws, an observation about electric current first made in 1845.
OvMR TIL: during test times in Korea, they will lock the access to rooftops. This is because students have been known to realise they are failing whilst taking the test, stop, and leave to jump off the roof.