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TIL Bob Ross painted a grayscale landscape after meeting a colorblind man who thought he would never be able to paint.

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wLvAo TIL the worlds smallest playable guitar is 10 microns long (about the size of a red blood cell). It has six strings each about 100 atoms wide and is played by aiming lasers at the strings. Its tone is about 130,000 times higher than a regular guitar supposedly the highest pitch ever recorded.
vynr TIL in 2002 the United States ran a war game, called Millennium Challenge, simulating a conflict in the Middle East in which the U.S. lost decisively. The game was reset and played out based on a script that ensured U.S. victory.
v1Wmr TIL that the name of the mathematical function sin comes from the word "bosom" which was a mistranslation from Arabic
QwmL TIL Andre the Giant set the world record for number of beers consumed in a single sitting by drinking 119 12oz beers in six hours. 1976.
Br7je TIL "Apocalypse" (ἀποκάλυψις) is a Greek word meaning "revelation", "an unveiling or unfolding of things not previously known and which could not be known apart from the unveiling".