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John D. Cook
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Text case changes the size of QR codes
John D. Cook
46w
46 weeks ago
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An ancient generalization of the Pythagorean theorem
John D. Cook
46w
46 weeks ago
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An ancient generalization of the Pythagorean theorem
John D. Cook
46w
46 weeks ago
John D. Cook
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Mentally estimating log base 2
John D. Cook
46w
46 weeks ago
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Physical Keys and Encryption Keys
John D. Cook
46w
46 weeks ago
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Freshman’s dream
John D. Cook
46w
46 weeks ago
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Why and how Bitcoin uses Merkle trees
John D. Cook
46w
46 weeks ago
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How blocks are chained in a blockchain
John D. Cook
46w
46 weeks ago
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John D. Cook
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987654321 / 123456789
John D. Cook
46w
46 weeks ago
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Spacing the circles on the Smith chart
John D. Cook
47w
47 weeks ago
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The Smith chart
John D. Cook
47w
47 weeks ago
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Generating random points in Colorado
John D. Cook
47w
47 weeks ago
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Random spherical coordinates
John D. Cook
47w
47 weeks ago
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Distribution of correlation
John D. Cook
47w
47 weeks ago
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Distribution of coordinates on a sphere
John D. Cook
48w
48 weeks ago
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ODE to Fisher’s transform
John D. Cook
48w
48 weeks ago
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Quality metrics
John D. Cook
48w
48 weeks ago
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Turning trig identities into Fibonacci identities
John D. Cook
48w
48 weeks ago
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Experiences with GPT-5-Codex
John D. Cook
48w
48 weeks ago
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Ethereum’s consensus layer elliptic curve
John D. Cook
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48 weeks ago
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