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TIL a "jiffy" is an actual unit of time. It refers to the time it takes for light to travel one centimeter in a vacuum, approximately 33.3564 picoseconds, highlighting the quirky side of physics.

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N7Ax6 TIL about Charles Lightoller, a man who survived the Titanic, World War I, and then went on to help others survive Dunkirk
R5rLl TIL: Chuck norris’s first name is actually carlos
WnG9 TIL the oldest alliance in the world that is still in force is between UK and portugal and date back to 1373
p8NmZ TIL that while everyone thought of Issac Newton as a man of physics and calculus, his real passion was alchemy and spent most of his time attempting to make a philosopher’s stone – a rock that could transform any metal into gold and make people immortal.
51jQ TIL When prohibition was repealed in 1933, Yuengling beer Company sent a truckload of “Winner Beer” to President Franklin D. Roosevelt in appreciation, which arrived the day the amendment was repealed — particularly notable since Yuengling beer takes almost three weeks to brew and age.