SMRTR Science & EngineeringMay 31, 2026Science News

Here’s how to make an origami torus with the fewest folds possible

SMRTR summary

Mathematician Richard Evan Schwartz solved a long-standing math puzzle: what's the minimum number of folds needed to make a paper torus, a doughnut-shaped form. Using machine learning, he discovered the answer requires just 24 folds forming 16 triangles meeting at eight points, and even published a pattern so anyone can try it themselves.

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Science & EngineeringFeb 22, 2025

Making any integer with four 2s

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