A worker fell into a nuclear reactor pool(nrc.gov)
621 points by nvahalik | 438 comments
U.S. Nuclear Regulatory Commission event notification report from October 22, 2025, including an entry about transporting a contaminated worker offsite.
Hacker News on
Stories posted this day, by points. Rank history starts with the October 2026 rebuild.
987654321 / 123456789(johndcook.com)
613 points by ColinWright | 100 comments
John D. Cook blog post examining why 987654321/123456789 is nearly 8 and whether analogous digit ratios in other bases are close to integers.
You already have a Git server(maurycyz.com)
596 points by chmaynard | 393 comments
Blog post explaining that any server with SSH access can host git repositories, showing how to clone over SSH and allow pushes to the checked-out branch.
Advent of Code 2025: Number of puzzles reduce from 25 to 12 for the first time(adventofcode.com)
409 points by vismit2000 | 199 comments
Advent of Code 2025 About/FAQ page, linked to the entry explaining the number of puzzle days dropping from 25 to 12.
Pico-Banana-400k(github.com)
379 points by dvrp | 62 comments
Apple's GitHub repository for Pico-Banana-400K, a large-scale dataset for text-guided image editing, with README, paper PDF, and scripts.
Let's Help NetBSD Cross the Finish Line Before 2025 Ends(mail-index.netbsd.org)
365 points by jaypatelani | 196 comments
A NetBSD-users mailing list post urging donations to the NetBSD Foundation, which had raised $10,738 of its $50,000 goal for 2025, to fund RISC-V and Wi-Fi work.
A definition of AGI(arxiv.org)
280 points by pegasus | 455 comments
Asbestosis(diamondgeezer.blogspot.com)
270 points by zeristor | 200 comments
Feed the bots(maurycyz.com)
261 points by chmaynard | 180 comments
What If Tariffs?(swatch.com)
174 points by Erikun | 124 comments
GenAI Image Editing Showdown(genai-showdown.specr.net)
160 points by rzk | 43 comments
PCB Edge USB C Connector Library(github.com)
149 points by walterbell | 66 comments
![Screenshot of cs.ru.nl: Formal Reasoning [pdf]](https://hn.urlbox.com/shots/renders/2025/10/26/77013c5c-81bc-408e-84d4-d56e391bc5f8.jpg)
Formal Reasoning [pdf](cs.ru.nl)
129 points by Thom2503 | 27 comments
Lenses in Julia(juliaobjects.github.io)
126 points by samuel2 | 45 comments
Writing a RISC-V Emulator in Rust(book.rvemu.app)
100 points by signa11 | 41 comments
Making the Electron Microscope(asimov.press)
74 points by mailyk | 9 comments
LaserTweezer – Optical Trap(gaudi.ch)
68 points by o4c | 5 comments
A turn lane in Rhododendron(greentape.pub)
25 points by apsec112 | 14 comments
Corrosion(fly.io)
21 points by fbuilesv | 1 comments
