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Show HN: A tool to play with prime-generating functions and patterns

https://ilmenit.github.io/prime-fold/
1•ilmenit•3h ago
Hi all,

I don’t have a strong math background, but after watching some YouTube videos like "Why do prime numbers make these spirals? https://www.youtube.com/watch?v=EK32jo7i5LQ) and Prime Numbers on Numberphile https://www.youtube.com/playlist?list=PL0D0BD149128BB06F I got curious about the different patterns and functions that might generate primes or interesting visualizations.

Out of curiosity, I put together a web tool: Prime Fold: https://ilmenit.github.io/prime-fold/

The tool lets you: Enter or evolve mathematical functions to generate numbers and see which outputs are prime. Visualize primes in 2D or 1D sequences. Use built-in optimization algorithms to search for functions that generate more primes or interesting patterns.

I’m not sure if this is useful for anything serious, but it was fun to build and experiment with. If anyone finds it interesting or has suggestions, I’d be happy to hear your thoughts.

Centaur: AI that thinks like us–and could help explain how we think

https://techxplore.com/news/2025-07-centaur-ai.html
1•PaulHoule•34s ago•0 comments

Do falling birth rates matter in an AI future?

https://www.vox.com/economy/420074/ai-birth-rates-pronatalism-future-of-work-automation-jobs-economy
1•ryan_j_naughton•3m ago•0 comments

Show HN: molab, a cloud-hosted marimo notebook workspace

https://marimo.io/blog/announcing-molab
4•akshayka•4m ago•1 comments

Conference Report: C++ on Sea 2025

https://www.sandordargo.com/blog/2025/07/02/cpponsea-trip-report
1•transpute•5m ago•0 comments

Playable preview of ARC-AGI-3

https://three.arcprize.org/
2•dcre•5m ago•0 comments

Cancer DNA is detectable in blood years before diagnosis

https://www.sciencenews.org/article/cancer-tumor-dna-blood-test-screening
2•bookofjoe•5m ago•1 comments

How I keep up with AI progress (and why you must too)

https://blog.nilenso.com/blog/2025/06/23/how-i-keep-up-with-ai-progress/
1•itzlambda•8m ago•0 comments

The New Surprising Number of Steam Games That Use GenAI

https://www.totallyhuman.io/blog/the-surprising-new-number-of-genai-games-on-steam
2•larsiusprime•15m ago•0 comments

Netflix reveals that one of its shows used generative AI for the first time

https://www.businessinsider.com/netflix-generative-ai-use-artificial-intelligence-2025-7
1•amrrs•17m ago•0 comments

Third patient dies from acute liver failure caused by a Sarepta gene therapy

https://www.biocentury.com/article/656520/third-death-from-a-sarepta-gene-therapy
2•randycupertino•18m ago•0 comments

Kap Lang

https://kapdemo.dhsdevelopments.com/
1•Bogdanp•19m ago•0 comments

ChatGPT Angent vs. Genspark Super Agent Side by Side

https://twitter.com/genspark_ai/status/1946005869533311030
1•sangwen•22m ago•0 comments

Using AI to make lower-carbon, faster-curing concrete

https://engineering.fb.com/2025/07/16/data-center-engineering/ai-make-lower-carbon-faster-curing-concrete/
1•mostdefinite1•27m ago•0 comments

Gradient Descent on Token Input Embeddings

https://www.lesswrong.com/posts/GK2LSzxjEejzDjzDs/gradient-descent-on-token-input-embeddings
1•kp1197•28m ago•1 comments

I built a GH Action that uses AI to manually QA your PR using Magnitude/Claude

https://github.com/ka-brian/self-testing-github-action
1•bpmcgough•30m ago•1 comments

Why Banks Are on High Alert About Stablecoins

https://www.wsj.com/finance/currencies/why-banks-are-on-high-alert-about-stablecoins-2f308aa0
4•petethomas•31m ago•1 comments

OpenAI unveils ChatGPT Agent for task automation

https://www.msn.com/en-us/money/insight/chatgpt-s-new-update-can-create-powerpoint-presentations-and-excel-spreadsheets-for-you/gm-4A64F53E00
1•pattychow•32m ago•0 comments

Transmuting mercury into gold via fusion [pdf]

https://www.marathonfusion.com/alchemy.pdf
2•frankus•33m ago•0 comments

Save your M-series Mac's energy and battery

https://eclecticlight.co/2025/07/18/save-your-m-series-macs-energy-and-battery/
2•alwillis•33m ago•1 comments

My password is same as username

1•ycombadmin•34m ago•0 comments

Language-driven cognitive architecture for AGI from scratch, alone, meet ALLA

http://dx.doi.org/10.13140/RG.2.2.24576.75523
1•darwinSir•35m ago•1 comments

The Complete Evolution of Canon EOS Autofocus Sensors

https://exclusivearchitecture.com/03-technical-articles-AFSE-01-PD-autofocus-sensor-evolution.html
2•ExAr•36m ago•1 comments

Section 174 is reversed! Mostly, that is.

https://newsletter.pragmaticengineer.com/p/the-pulse-section-174-is-reversed
7•jawns•36m ago•3 comments

Trump admin squanders nearly 800k vaccines meant for Africa

https://arstechnica.com/health/2025/07/trump-admin-squanders-nearly-800000-vaccines-meant-for-africa-report/
14•BallsInIt•36m ago•0 comments

Distillation Makes AI Models Smaller and Cheaper

https://www.quantamagazine.org/how-distillation-makes-ai-models-smaller-and-cheaper-20250718/
1•defrost•38m ago•0 comments

Knip Hits 500 Releases with v5.62.0, Improving TypeScript Config Detection and

https://socket.dev/blog/knip-hits-500-releases
1•feross•39m ago•0 comments

Teaching Men Who Will Never Leave Prison

https://www.newyorker.com/culture/the-weekend-essay/teaching-men-who-will-never-leave-prison
3•mitchbob•43m ago•1 comments

Show HN: A clean freelance rate calculator based on your work days and expenses

https://www.advanced-percentage-calculator.com/freelance
1•daniellax•44m ago•0 comments

BeePL: Correct-by-Compilation Kernel Extensions

https://arxiv.org/abs/2507.09883
1•matt_d•47m ago•0 comments

Meta says it wont sign Europe AI agreement, calling it growth stunting overreach

https://www.cnbc.com/2025/07/18/meta-europe-ai-code.html
28•rntn•48m ago•12 comments