Underwritten by Tristan James Jr.
Mansfield, a senior lecturer of mathematics at the University of New South Wales Sydney, had suspected the tablet was real. He came across records of its excavation and began the hunt.
Word got around about what he was looking for, and then the email came. He knew what he had to do: travel to Turkey and examine it at the museum.
Hidden within this tablet is not only the oldest known display of applied geometry but a new ancient understanding of triangles. It could rewrite what we know about the history of mathematics, Mansfield argues.
“These findings were published Wednesday in the journal Foundations of Science.”
INVERSE
The way we understand trigonometry harks back to ancient Greek astronomers,” Mansfield tells Inverse.
“I like to think of the Babylonian understanding of right triangles as an unexpected prequel, which really is an independent story because the Babylonians weren’t using it to measure the stars, they were using it to measure the ground.”
Years before discovering this latest tablet, dubbed Si.427, Mansfield was hot on the trail of another ancient Babylonian “document:” Plimpton 322.
“While the location of this artifact was known (it’s located at Columbia University) its true purpose was not.”
INVERSE
Like Si.427, which dates back to roughly 1900 to 1600 BCE, Plimpton 322 is covered in geometric markings — riddles academics have tried to decipher for years.
While the reigning theory was that these markings were a kind of teacher’s cheat code for Babylonian homework problems, Mansfield and colleagues were not convinced.
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