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Til the first recorded use of sonar technique was by Leonardo da Vinci in 1490

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VB7Rm TIL that when men develop a habit of masturbating face down on their stomach, it can lead to various sexual dysfunctions such as delayed ejaculation and ED.
wGOW TIL Lego men have those little holes in the top of their head to allow air to pass through should a child ever get one stuck in their nose.
Xg0E TIL that in 1950 a church in Beatrice, Nebraska exploded five minutes after choir practice was supposed to start but no one was hurt because every single member of the choir was late for entirely different reasons. And my grandmother was one of them.
9WP7 TIL that the Normandy beach landing scene in Spielberg’s Saving Private Ryan cost $12Million alone, employed use of over 1,500 extras and has been rated ‘the best battle scene of all time’ by Empire magazine
WXXL TIL IBM made a movie by moving atoms and recording them with an electron microscope.