John D. Cook johndcook.com

Minimalist Mandelbrot set

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Measuring cryptographic strength in liters of boiling water

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Impossible rational triangles

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Trigamma

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Vanity addresses

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An integral theorem of Gauss

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El Salvador’s Bitcoin and Quantum Computing

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How quantum computing would effect Bitcoin

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Storing data in images

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An uncrossed knight’s tour

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Dithered QR codes

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Probability of typing a wrong Bitcoin address

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Why are CUDA kernels hard to optimize?

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The biggest math symbol

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You can’t have everything you want: beta edition

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More on seed phrase words

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Variations on Knuth’s Twindragon

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Intuition for Pick’s Theorem

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Knuth’s Twindragon

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What’s hierarchical about a hierarchical wallet?

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