Yell HN
A curated collection of the most interesting submissions from Hacker News — surprising research, hard-won engineering lessons, weekend hacks, and the conversations that happen around them. Each story is retold in plain English: what it is, why it matters, and what the thread is really arguing about.
137 119
Open CTFs Are Now Pay-to-Win, and Frontier AI Did It
A top-10 CTF competitor argues that Claude Opus 4.5 and GPT-5.5 have automated enough of the scoreboard that open CTFs no longer measure human security skill.
kabir.au
448 126
Five Days vs. Five Years: Apple's New Kernel Defense, Cracked
Apple spent five years building MIE on M5 to stop kernel exploits. Calif cracked it in five days with AI, then drove to Apple Park to deliver the report.
blog.calif.io
946 200
Project Gutenberg is somehow still the best part of the internet
A 1971 hobby project is still the most quietly impressive thing on the web - and HN noticed it again, with 900+ upvotes.
gutenberg.org