How ancient Babylonian land surveyors developed a unique form of trigonometry — 1,000 years before the Greeks

Our modern understanding of trigonometry harks back to ancient Greek astronomers studying the movement of celestial bodies through the night sky. But in 2017, I showed the ancient Babylonians likely developed their own kind of “proto-trigonometry” more than 1,000 years before the Greeks. So why were the Babylonians interested in right-angled triangles? What did they use them for? The Conversation…

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Mistaken identity lands man in Hawaii mental hospital

Hawai – JENNIFER KELLEHER Joshua Spriestersbach was enjoying birthday cake on April 12, 2020, in Danby, Vt. The Hawaii Innocence Project says, Monday, Aug. 2, 2021, Spriestersbach was wrongfully arrested for someone else’s crime and then committed to a state hospital for more than two years because officials mixed him up with someone else. Hawaii officials wrongly arrested a homeless…

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