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TIL that it's very problematic to make an accurate and/or precise measurement of something as seemingly mundane as coastlines, due to the Coastline Paradox. Although the actual measurement cannot be theoretically infinite, coastlines are practically immeasurable in terms of standardized consistency.

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R5LAa TIL Because tungsten and gold have almost identical weights, fake gold bars and coins made from tungsten cannot be identified by the usual method of density testing, and ultrasound has to be used instead.
ZjkY TIL of Patrice Désilets, the lead creator of the Assassin’s Creed Series, who was fired from Ubisoft twice, with the second after he started work at a new game stuido. Ubisoft bought the studio and fired him for no legitimate reason.
grA0y TIL that the oldest football (soccer) ball dates back to 1540. It's half the size of a normal ball and was made from the bladder of a pig.
KYLlB TIL multiple 19th century French artists (including Alexandre Dumas, Charles Baudelaire, and Eugene Delacroix) were members of the "Club des Hashischins," a club dedicated to doing hashish and other drugs together and exploring their effects.
R7YDQ TIL - Launched un 1955, the Marlboro Man campaign was most astonishing campaigns in the history of demand engineering. Marlboro went from 1 percent of sale to the fourth best selling brand.