Pythagorean Triple Square Day, as one man affectionately calls 9/16/25, is a day like no other this century.
(Image credit: marekuliasz/iStockphoto)
from NPR Topics: Culture https://ift.tt/PI5TKdE
Pythagorean Triple Square Day, as one man affectionately calls 9/16/25, is a day like no other this century.
(Image credit: marekuliasz/iStockphoto)
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