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TIL That the Steam Engine Was Invented in Ancient Egypt, but had No Practical Use

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k7x5 TIL a dentist in the US Army during World War II was shot 24 times while defending an aid station from the Japanese. Although he killed up to 98 attackers, allowing the wounded to be evacuated, his Medal of Honor was delayed because medical officers were not supposed to bear arms against the enemy.
D1VAY TIL the US signed a treaty to convert to metric units in 1878. Instead of converting they changed the definition of all units to their metric equivalent.
X01JX TIL Some flying insects have biologic versions of gyroscopes. The haltere is a small bell like structure that vibrates and can account for changes in rotation using the Coriolis effect, so the insect knows its position and can make corrections.
Eg0WV TIL: The display of diamonds in Hollywood films and songs is one of the most successful cases of product placement in marketing history. Diamonds were placed in several Hollywood films; including Gentlemen Prefer Blondes, Diamonds Are Forever and in songs such as Diamonds Are A Girl's Best Friend.
GYLgQ TIL about Michael Taylor (demoniac), and English butcher born in 1944. He is known for the Ossett murder case in 1974 and his demonic possessions. There is very little info about him, does anyone know where he is now? His last arrest was in 2005. He would be in his 70s-80s today.