This is a recap of the top 10 posts on Hacker News on Sep 15, 2025.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

You’re a slow thinker. Now what?
https://chillphysicsenjoyer.substack.com/p/youre-a-slow-thinker-now-what
https://news.ycombinator.com/item?id=45204587

Betty Crocker broke recipes by shrinking boxes
https://www.cubbyathome.com/boxed-cake-mix-sizes-have-shrunk-80045058
https://news.ycombinator.com/item?id=45243635

Grapevine canes can be converted into plastic-like material that will decompose
https://www.sdstate.edu/news/2025/08/can-grapevines-help-slow-plastic-waste-problem
https://news.ycombinator.com/item?id=45243803

Why We Spiral
https://behavioralscientist.org/why-we-spiral/
https://news.ycombinator.com/item?id=45240146

Writing an operating system kernel from scratch
https://popovicu.com/posts/writing-an-operating-system-kernel-from-scratch/
https://news.ycombinator.com/item?id=45240682

Read to forget
https://mo42.bearblog.dev/read-to-forget/
https://news.ycombinator.com/item?id=45239601

Introduction to GrapheneOS
https://dataswamp.org/~solene/2025-01-12-intro-to-grapheneos.html
https://news.ycombinator.com/item?id=45200133

OCSP Service Has Reached End of Life
https://letsencrypt.org/2025/08/06/ocsp-service-has-reached-end-of-life
https://news.ycombinator.com/item?id=45242591

Language Models Pack Billions of Concepts into 12k Dimensions
https://nickyoder.com/johnson-lindenstrauss/
https://news.ycombinator.com/item?id=45245948

Nicu's test website made with SVG (2007)
https://svg.nicubunu.ro/
https://news.ycombinator.com/item?id=45240391