Ask HN: What tech purchase did you regret even though reviews were great?
https://news.ycombinator.com/item?id=46387893
https://news.ycombinator.com/item?id=46387893
When a driver challenges the kernel's assumptions
http://miod.online.fr/software/openbsd/stories/udl.html
http://miod.online.fr/software/openbsd/stories/udl.html
miod.online.fr
When a driver challenges the kernel's assumptions
MiniMax M2.1: Built for Real-World Complex Tasks, Multi-Language Programming
https://www.minimaxi.com/news/minimax-m21
https://www.minimaxi.com/news/minimax-m21
Minimaxi
Building AGI with our mission Intelligence with Everyone. Global leader in multi-modal models and AI-native products with over 150 million users.
WiFi DensePose: WiFi-based dense human pose estimation system through walls
https://github.com/ruvnet/wifi-densepose
https://github.com/ruvnet/wifi-densepose
GitHub
GitHub - ruvnet/wifi-densepose: Production-ready implementation of InvisPose - a revolutionary WiFi-based dense human pose estimation…
Production-ready implementation of InvisPose - a revolutionary WiFi-based dense human pose estimation system that enables real-time full-body tracking through walls using commodity mesh routers - ...
TurboDiffusion: 100–200× Acceleration for Video Diffusion Models
https://github.com/thu-ml/TurboDiffusion
https://github.com/thu-ml/TurboDiffusion
GitHub
GitHub - thu-ml/TurboDiffusion: TurboDiffusion: 100–200× Acceleration for Video Diffusion Models
TurboDiffusion: 100–200× Acceleration for Video Diffusion Models - thu-ml/TurboDiffusion
Fish-Inspired Filter That Removes over 99% of Microplastics
https://scitechdaily.com/scientists-develop-new-fish-inspired-filter-that-removes-over-99-of-microplastics/
https://scitechdaily.com/scientists-develop-new-fish-inspired-filter-that-removes-over-99-of-microplastics/
SciTechDaily
Scientists Develop New Fish-Inspired Filter That Removes Over 99% of Microplastics
Researchers at the University of Bonn aim to improve the cleanliness of wastewater. Water released from washing machines is widely recognized as a major source of microplastics, which are tiny plastic particles suspected of posing risks to both human and…
Building an AI agent inside a 7-year-old Rails monolith
https://catalinionescu.dev/ai-agent/building-ai-agent-part-1/
https://catalinionescu.dev/ai-agent/building-ai-agent-part-1/
Catalin Ionescu
Building an AI agent inside a 7-year old Rails application
We run a multi-tenant Rails application with sensitive data and layered authorization. In this post, I walk through how I added the first AI agent tool using RubyLLM, Pundit policies, and our existing Algolia search, without introducing a parallel system…
Geometric Algorithms for Translucency Sorting in Minecraft [pdf]
https://douira.dev/assets/document/douira-master-thesis.pdf
https://douira.dev/assets/document/douira-master-thesis.pdf
Questions engineers should ask future employers in interviews
https://dollardhingra.substack.com/p/questions-software-engineers-should
https://dollardhingra.substack.com/p/questions-software-engineers-should
Substack
The Reverse Interview - Questions Software Engineers Should Ask in Their Next Interview
Beyond salary and benefits: A checklist of questions for developers to gauge tech stacks, on-call expectations, development processes, and mentorship opportunities.
Undefinable yet Indispensable
https://aeon.co/essays/the-word-religion-resists-definition-but-remains-necessary
https://aeon.co/essays/the-word-religion-resists-definition-but-remains-necessary
aeon.co
The word ‘religion’ resists definition but remains necessary | Aeon Essays
Despite centuries of trying, the term ‘religion’ has proven impossible to define. Then why does it remain so necessary?
Rob Pike Goes Nuclear over GenAI
https://skyview.social/?url=https%3A%2F%2Fbsky.app%2Fprofile%2Frobpike.io%2Fpost%2F3matwg6w3ic2s&viewtype=tree
https://skyview.social/?url=https%3A%2F%2Fbsky.app%2Fprofile%2Frobpike.io%2Fpost%2F3matwg6w3ic2s&viewtype=tree
skyview.social
A BlueSky thread by rob pike on Skyview
Fuck you people. Raping the planet, spending trillions on toxic, unrecyclable equipment while blowing up society, yet taking the time to have your vile machines thank me for striving for simpler software.
Just fuck you. Fuck you all.
I can't remember the…
Just fuck you. Fuck you all.
I can't remember the…
Show HN: AutoLISP interpreter in Rust/WASM – a CAD workflow invented 33 yrs ago
https://acadlisp.de/nonoscript.html
https://acadlisp.de/nonoscript.html
acadlisp.de
AutoLISP Interpreter in Rust/WASM - acadlisp.de
AutoLISP interpreter in Rust and WebAssembly. Experience CAD automation history from 1991.
ICE's interest in high-tech gear raises new questions: 'What is it for?'
https://www.politico.com/news/2025/12/26/ice-high-tech-surveillance-lower-privacy-guardrails-00705401
https://www.politico.com/news/2025/12/26/ice-high-tech-surveillance-lower-privacy-guardrails-00705401
POLITICO
ICE’s interest in high-tech gear raises new questions: ‘What is it for?’
The immigration agency’s surveillance tools and increased access to government databases draws privacy concerns.
Rob Pike got spammed with an AI slop "act of kindness"
https://simonwillison.net/2025/Dec/26/slop-acts-of-kindness/
https://simonwillison.net/2025/Dec/26/slop-acts-of-kindness/
Simon Willison’s Weblog
How Rob Pike got spammed with an AI slop “act of kindness”
Rob Pike (that Rob Pike) is furious. Here’s a Bluesky link for if you have an account there and a link to it in my thread viewer if you don’t. …
👍1
Lewis Carroll Computed Determinants
https://www.johndcook.com/blog/2023/07/10/lewis-carroll-determinants/
https://www.johndcook.com/blog/2023/07/10/lewis-carroll-determinants/
John D. Cook | Applied Mathematics Consulting
How Lewis Carroll computed determinants
Charles Dodgson (a.k.a. Lewis Carroll) developed a method of computing determinants which has some practical advantages.