Technology
- El Salvador’s Bitcoin and Quantum ComputingJohn D. Cook
- How quantum computing would effect BitcoinJohn D. Cook
- Checking TSA PreCheck time savingsFlowingData
- Back to school 2025…Mathematics, Learning and Technology
- Storing data in imagesJohn D. Cook
- An uncrossed knight’s tourJohn D. Cook
- Counting the reduction of federal health workforceFlowingData
- Dithered QR codesJohn D. Cook
- Most American and British wordsFlowingData
- Probability of typing a wrong Bitcoin addressJohn D. Cook
- ✚ Visualization Tools and Resources – August 2025FlowingData
- Vibe coding from a non-programmer’s perspectiveFlowingData
- Why are CUDA kernels hard to optimize?John D. Cook
- The biggest math symbolJohn D. Cook
- Scraping the Spotify playlists of public figuresFlowingData
- Will Smith’s AI usage troubles and the fake-ish crowdsFlowingData
- You can’t have everything you want: beta editionJohn D. Cook
- More on seed phrase wordsJohn D. Cook
- Summer getting longerFlowingData
- Variations on Knuth’s TwindragonJohn D. Cook
- There is no correct mapFlowingData
- Moving away from Mercator for maps of the worldFlowingData
- Intuition for Pick’s TheoremJohn D. Cook
- Knuth’s TwindragonJohn D. Cook
- What’s hierarchical about a hierarchical wallet?John D. Cook
- Formalizing Class Field TheoryLean community blog
- Punch Cards and Dollar BillsJohn D. Cook
- A recipe for creating random fractalsJohn D. Cook
- GCSE Results 2025Mathematics, Learning and Technology
- When log(x) has the same digits as xJohn D. Cook
- Connecting partial sumsJohn D. Cook
- A lot of seed phrase words are similarJohn D. Cook
- Nonparametric serial interval estimationStats and R
- Factoring StencilsJohn D. Cook
- Recovering a permuted seed phraseJohn D. Cook
- What’s in your wallet?John D. Cook
- Amplify Classroom ≠ Desmos ClassroomMathyCathy's Blog – Mrs. Cathy Yenca
- Randomly generated dragonJohn D. Cook
- Converting very long strings to integers in PythonJohn D. Cook
- American Flag PrimeJohn D. Cook
- Uppercase EszettJohn D. Cook
- Weierstrass, Montgomery, and Edwards elliptic curve formsJohn D. Cook
- Tiny JubjubJohn D. Cook
- Two ways of generalizing πJohn D. Cook
- Misleading plots of elliptic curvesJohn D. Cook
- Exam Results 2025Mathematics, Learning and Technology
- Simons Foundation Lean WorkshopLean community blog