Once a century, a very special day comes along. That day is today — 9/16/25. Pi Day (3/14) often comes with sweet treats; Square Root Day (4/4/16 or 5/5/25, for example) has a certain numerical rhyme.
It’s the largest math proof. A supercomputer solved it in just 2 days. And it’s 200 terabytes. Yes, 200 terabytes. That’s the size of the file containing the computer-assisted proof for a mathematical ...
MOST READERS will have encountered Pythagoras’s theorem about right-angled triangles—that the square on the hypotenuse is equal to the sum of the squares on the other two sides—at school. But the less ...
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