› added 1 month ago

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TIL that because all US banknotes are the same size, making telling them apart hard-to-impossible for the blind, the US Bureau of Engraving and Printing provides an electronic device (the iBill Currency Identifier) that can identify the value of the bills free of charge.

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via reddit.com

x6e40 TIL that depleted Uranium is used to create projectiles capable of puncturing tank shells and armor. This is not only because it is extremely dense, but also because upon impact, a uranium shell will continually sharpen itself and retain its shape.
d8mZr TIL that the human anus is extremely person-specific just as fingerprint is, and smart toilets of the future could identify users by anus alone.
AyPd TIL of Swansea Jack, a black retriever that lived in Newfoundland, Canada in the 1930’s. The dog is credited with rescuing an estimated 27 people from drowning during his seven-year lifetime. He was named ‘Dog of the Century’ in 2000
v18X4 TIL In 1970, the Oregon Highway Division consulted with the US Navy and decided the best way to dispose of a whale carcass was to blow it up with a 1/2 ton of dynamite. The explosion caused blubber to rain down on spectators for over a 1/4 of a mile. A large chunk demolished a car.
aDEL TIL In 1968 in Mattoon, Illinois, a small restaurant called “Burger King” won a lawsuit against the giant fast food chain of the same name because they had trademarked the name first. Today, there are no Burger Kings legally allowed within 20 miles if the Mattoon location.