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What Can We Gain by Losing Infinity?
Mathematicians Want to Banish Infinity. What Might They Gain? Ultrafinitism, a philosophy that rejects the infinite, has long been dismissed as mathematical heresy. But it is also producing new insights...
How Unknowable Math Can Help Hide Secrets
A graduate student recently harnessed the complexity of mathematical proofs to create a powerful new tool in cryptography. Mathematicians spend most of their time thinking about what’s knowable. But the...