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Why Busy Beaver hunters fear the Antihydra
In which I explore the biggest barrier in the busy beaver game. What is Antihydra, what is the Collatz conjecture, how are they connected, and what makes them so daunting?
New
The latest blog posts to take off on Hacker News. 6,220 posts.
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More than DNS: Learnings from the 14 hour AWS outage
A thorough review of a major cloud outage.
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PSF has withdrawn $1.5M proposal to US Government grant program
In January 2025, the PSF submitted a proposal to the US government National Science Foundation under the Safety, Security, and Privacy of Open Source Ecosystems program to address structural vulnerabilities in Python and PyPI. It was the PSF’s first time applying for government funding, and navigating the intensive…
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FlightAware Map Design (2024)
Designing new map styles for FlightAware
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You are how you act
You are the sum of your behaviors not your intentions
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I built my own CityMapper
We've all used a public transit router to find a quick route from A to B, such as Google Maps or CityMapper, but how do they actually work?
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Tags to make HTML work like you expect
I was watching Alex Petros’ talk and he has a slide in there titled “Incantations that make HTML work correctly”. This got me thinking about the basic snippets…
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Why JPEG XL ignoring bit depth is genius (and why AVIF can't pull it off)
JPEG and AVIF are locked to 8, 10 or 12 bits. JPEG XL works in float32 with the XYB color space, so bit depth stops mattering. Here’s why that helps HDR.
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How I turned Zig into my favorite language to write network programs in
I’ve been watching the Zig language for a while now, given that it was created for writing audio software (low-level, no allocations, real time). I never paid too much attention though, it seemed a little weird to me and I didn’t see the real need. Then I saw a post from Andrew Kelley (creator of the language) on…
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Microsoft 365 Copilot – Arbitrary Data Exfiltration via Mermaid Diagrams
When Microsoft 365 Copilot (M365 Copilot) was asked to summarize a specially crafted Microsoft Office document, an indirect prompt injection payload triggered the execution of arbitrary instructions to fetch sensitive tenant data, such as “recent emails” and hex encode the fetched output. M365 Copilot then generated a…
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AI Mafia Network – An interactive visualization
An interactive visualization — based on the Acquired Google Podcast Credits to Ben and David (who also appreciated this graph in the Acquired internal Slack!).
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Poison, Poison Everywhere
When I was in high school, my teacher once told us a crazy story.
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We saved $500k per year by rolling our own "S3"
At thousands of uploads/second, S3’s per-request fees dominated costs. We built N3, a Rust in-memory landing zone with S3 as overflow.
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The MP3.com Rescue Barge Barge
So back in November, I grabbed 1.78TB of media from the Internet Archive’s mp3.com Rescue Barge, and their Wayback Machine both, in pursuit of creating the most thoroughly complete archive I can muster of MP3.com’s music.
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Alzheimer's disrupts circadian rhythms of plaque-clearing brain cells
A mouse study at WashU Medicine shows how Alzheimer’s disease reprograms genes in specialized cells involved in amyloid plaque removal.
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Movie posters from Ghana in the 1980s and 90s
Discover the wild world of Ghanaian and Nigerian hand-painted movie posters. Created by local artists in the 1980s and 1990s, these bold, surreal artworks turned Hollywood films into folk art masterpieces that are so bad they’re brilliant.
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987654321 / 123456789
The ratio 987654321 / 123456789 is very nearly 8. What about the analogous ratio in other bases?
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How ancient people saw themselves
The art of the ancient mirror
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Feed the bots
A week ago , I set up a dynamically generated nonsense maze to catch LLM scrapers. Now, requests to it make up 99.9% of my server's traffic, but my total request volume did not increase. The bots didn't come to my site because of the trap.
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You already have a Git server
If you have a git repository on a server with ssh access, you can just clone it:
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Asbestosis
» email me » follow me on twitter » follow the blog on twitter » follow the blog on Bluesky » follow the blog on RSS
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Learn Multiplatform Z80 Assembly Programming with Vampires
Platform Specific Series - Lets learn how the hardware of the systems work, so we can get it to do what we want... Covers Amsrad CPC,MSX,ZX Spectrum, TI-83,Enterprise 128/64 and Sam Coupe! Lesson P1 - Basic Firmware Text functions Lesson P2 - More Text Functions, Improvements... and the Sam Coupe! Lesson P3 - Bitmap…
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The Linux Boot Process: From Power Button to Kernel
A detailed walkthrough of the Linux boot process from power button to kernel initialization
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NewPipe Is Turning 10
Guess what? NewPipe just turned 10 this month last month! Time just flew by. In one moment you hit “new project”, and in the next there is a whole association, a group of maintainers, an uncountable amount of contributors, and millions of users!1 This is amazing. Last time we wrote about an important birthday, NewPipe…
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D2: Diagram Scripting Language
D2 is a diagram scripting language that turns text to diagrams. It stands for
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An Update on TinyKVM
Hey all. TinyKVM was open-sourced this february and since then I’ve been working on some things that are very much outside of the scope of…
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Project Amplify: Powered footwear for running and walking
Nike’s Project Amplify is the world’s first powered footwear system for running and walking, designed to help everyday athletes go a little bit faster and farther — all with less effort.