Cira 2021: An ancient fragment of clay tablet dating back to 3,700 years ago, during the Old Babylonian period, contains what is now the oldest known example of applied geometry, a mathematician has discovered. That’s more than a millennium prior to the birth of Pythagoras.
And this history-altering artifact, known as Si.427, had just been sitting in a museum in Istanbul for more than 100 years.
“Si.427 dates from the Old Babylonian (OB) period — 1900 to 1,600 BCE,” said mathematician Daniel Mansfield of the University of New South Wales (UNSW) in Australia.
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