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TIL The Philadelphia Experiment is a military experiment carried out by the U.S. Navy at the Philadelphia Naval Shipyard in Philadelphia, Pennsylvania, sometime around October 28, 1943. The U.S. Navy destroyer escort USS Eldridge was rendered invisible. Lots of docus and movies

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vWZ7 TIL of the “Tinker” supreme court case. In 1965 as a Vietnam War protest 3 kids wore black armbands to school. The school banned the armbands. They wore them again and were suspended. The “Tinker test” is used to see if a school’s disciplinary actions violate students’ 1st Amendment rights
PYAO TIL To get rid of body parts in the Ganges special snapping turtles are bred and released in the river that are taught to consume dead human flesh. These turtles consume about a pound of flesh a day and can reach a size of 70 pounds.
KOb04 TIL The rate that alcohol leaves the body is constant, regardless of gender, body type or size. It leaves at a rate of .015% per hour. If a person went to bed at 2 AM with a BAC of .20, it could take 15 hours to recover
kJZL7 TIL After defeating the French and capturing King Francis in battle 1525, Emperor Charles V agreed to release Francis in exchange for a treaty instead of invading France, which led contemporaries like Machiavelli to call him "mad" and a "fool". As soon as he was released, Francis annuled the treaty
0Xnv TIL:A man injected himself with snake venom during most of his adult life to build up an immunity to a array of venomous snakes. He lived to age 100, and survived a reported 172 snake bites. He donated his blood to be used in treating snake-bite victims when a suitable anti-venom was not available.