Rust–: Rust without the borrow checker

https://opengraph.githubassets.com/445ab2382eb14190277fdf6351a32bad53d4cb5dd084ce8d094493402fe9633c/buyukakyuz/rustmm
A modified Rust compiler disables the borrow checker, allowing code that normally violates borrowing rules to compile and run. This results in unexpected behavior, such as mutable references being overwritten and moved values being accessed.

2025: The Year in LLMs

https://static.simonwillison.net/static/2025/artificial-analysis-open-weight-2025.jpg
The LLM space saw significant advancements in 2025 with the emergence of reasoning models, coding agents, and image generation capabilities, driven by releases from OpenAI, Google, and Chinese AI labs. Key events included the release of Claude Code, the success of Gemini's Nano Banana models, and the growing competition between OpenAI, Google, and other labs in the LLM market.

Bluetooth Headphone Jacking: A Key to Your Phone [video]

https://static.media.ccc.de/media/congress/2025/1491-887fe87e-6ef2-5d94-98c8-f582cb22f442_preview.jpg
One Security Playlists: '39c3' videos starting here / audio Bluetooth headphones and earbuds are everywhere, and we were wondering what attackers could abuse them for. Sure, they can probably do things like finding out what the person is currently listening to. But what else? During our research we discovered three vulnerabilities (CVE-2025-20700, CVE-2025-20701, CVE-2025-20702) in ...

I canceled my book deal

https://austinhenley.com/blog/images/challengingprojectsbook.png
The author had a successful blog and was approached by a big tech book publisher to write a book about classic programming projects. The author negotiated a contract with a $5000 advance and 12-15% royalties, but the publisher's feedback and requirements stifled the author's creativity and enthusiasm.

Pokémon Team Optimization

https://upload.wikimedia.org/wikipedia/commons/9/97/Pokemon_Type_Chart.svg
The user, a former Pokémon fan, created a tool to optimize a Pokémon team using operations research methods, aiming to maximize the overall base stat while satisfying constraints such as type resistance and team size. The tool was used to find optimal teams with and without legendary and pseudo-legendary Pokémon, and the results showed strong combinations that could easily complete any game.

Windows 11 Outperforming Linux on an Intel Arrow Lake H Laptop

https://www.phoronix.net/image.php?id=windows-beats-linux-arl-h&image=windows_wins_0_med
The author ran benchmarks on a Lenovo ThinkPad P1 Gen 8 laptop and found Windows 11 outperforming Ubuntu Linux in several workloads. This is unusual as Linux typically has a performance advantage over Windows, especially in demanding creator-type workloads.

Flow5 released to open source

Flow5 has undergone significant updates with changes to meshing, analysis, and post-processing features, including new libraries, bug fixes, and new options. The updates also include changes to file formats, compatibility with older versions, and new features such as the Vortex Particle Wake.

Easel Turns One One year of building my own IDE in Clojure

The user has been working on an IDE called Easel in Clojure for a year, aiming to create a comprehensive toolset with direct data access, visualization, and interaction features. Easel's goal is to provide a foundation for building software tools that work together seamlessly, with a focus on user trust and freedom, and the project is 80% complete with most major features already demonstrated.

Resistance training load does not determine hypertrophy

If childhood is half of subjective life, how should that change how we live?

https://moultano.wordpress.com/wp-content/uploads/2025/12/download28129.png
As we age, time feels logarithmic, with childhood being half of our life and adulthood the other half. To make the most of our time, we should focus on creating new experiences and traditions with our children, who can help us recapture the intensity and wonder of childhood.

Worlds largest electric ship launched by Tasmanian boatbuilder

https://i.guim.co.uk/img/media/4f9e6f1919a792be3630c42c009ef95e5f2291e6/0_0_4032_3024/master/4032.jpg?width=445&dpr=1&s=none&crop=none
Incat, an Australian boatbuilder, launched the world's largest battery-power ship, Hull 096, which will run between Buenos Aires and Uruguay. The ship is a "giant leap forward in sustainable shipping" with 250 tonnes of batteries and can carry 2,100 passengers and 225 vehicles.

Show HN: BusterMQ, Thread-per-core NATS server in Zig with io_uring

Web Browsers have stopped blocking pop-ups

https://www.smokingonabike.com/wp-content/uploads/2025/12/old_example.png
Pop-up ads are back and worse than ever, with ad developers evading browser blockers. Web browsers need to update pop-up blocking technology to improve user experience.

Ÿnsect, a French insect farming startup, has been been placed into liquidation

https://techcrunch.com/wp-content/uploads/2025/12/ynsect-4.jpg?w=1024
nsect, a startup that raised over $600 million, failed to fulfill its ambition to revolutionize the food chain with insect-based protein. The company's demise was due to indecision over its market focus, poor unit economics, and a massive, capital-intensive bet on a giga-factory that ultimately doomed it.

Demystifying DVDs

https://files.hiddenpalace.org/thumb/e/e1/Hpandlmclogo.png/300px-Hpandlmclogo.png
Sega's Sonic Team faced challenges after the company went third-party, leading to a decline in the quality of Sonic games, with Sonic Heroes being a notable underwhelming disappointment. Shadow the Hedgehog, released in 2005, was a game that attempted to appeal to a wider demographic with its team-based gameplay and dark storyline, but its inclusion of guns and violence was met with ...

Pixar's True Story

https://computerhistory.org/wp-content/uploads/2025/12/2025-11-Infinity-Beyond-Pixar-DM-2341-scaled.jpg
Pixar almost went bankrupt in 1995 due to financial struggles and a bad contract with Disney. Investment bankers from Robertson Stephens and Hambrecht & Quist rallied around the company, helping to secure a successful IPO and the release of Toy Story.

Build Software. Build Users

High-quality software is not just about writing tests, but about understanding users' needs and workflows to create simple and intuitive software. By using LLMs to simulate users and automate testing, developers can build software that truly meets users' needs, resulting in higher quality software.

Warren Buffett steps down as Berkshire Hathaway CEO after six decades

https://ca-times.brightspotcdn.com/dims4/default/75d3f76/2147483647/strip/true/crop/2237x1498+0+0/resize/1200x804!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2F54%2Fc3%2Fd5d78cd14f6bae051de0da854767%2Fla-na-col1-kansas-nebraska-billionaires-01.JPG
Greg Abel will take over Berkshire Hathaway from Warren Buffett, but Buffett will remain chairman and continue to offer advice. Abel has already been managing noninsurance businesses since 2018 and is expected to maintain Berkshire's decentralized structure and autonomy for acquired companies.

A Christmas Present to Myself – Vector Network Analyzer (2014)

http://axotron.se/blog/wp-content/uploads/2014/01/VNWA_3E.jpg
I bought myself a somewhat unusual Christmas present a few weeks ago, namely a vector network analyzer, VNA. All VNAs I had previously used were huge and very expensive instruments, but it turns out that there is an interesting alternative out there on the market. Tom Baier, a radio amateur with the call sign DG8SAQ has created a really neat product he calls the “VNWA 3E“. It is a VNA in a ...

My role as a founder-CTO: year 8

https://miguelcarranza.es/assets/posts/stonks_charts.jpg
The author reflects on 2025 as a year of growth and change for RevenueCat, a company that helps app developers monetize their apps. The author discusses the company's evolution, hiring, and product development, and looks forward to 2026 as a year of new opportunities and challenges.

So I started cloning the Wii U gamepad [video]

Tell HN: Happy New Year

User had a bad 2023 year but hopes 2024 will be better. They predict significant global events including regime change, cyber attacks, and a major earthquake.

Scientists unlock brain's natural clean-up system for new treatments for stroke

Scientists from Monash University and Yale School of Medicine are developing a new approach to treat ischemic stroke by enhancing brain waste removal. They're creating non-invasive devices to improve lymphatic function and clear excess fluid and waste from the brain after a stroke.

The compiler is your best friend

https://blog.daniel-beskin.com/_astro/cover.GvphB5QC_1FQpFj.webp
The user discusses the importance of compilers in programming, specifically how they can help prevent bugs and improve code safety, but often developers lie to the compiler by making assumptions or using casts, which can lead to errors. By being honest with the compiler and providing accurate information, developers can take advantage of its benefits and write more reliable and maintainable code.

Show HN: Use Claude Code to Query 600 GB Indexes over Hacker News, ArXiv, etc.

https://exopriors.com/logo.jpeg
You have public access to the ExoPriors alignment research corpus with a provided API key. You can query 60M documents using SQL and store named embeddings for semantic search.

Akin's Laws of Spacecraft Design (2011) [pdf]

Iron Beam: Israel's first operational anti drone laser system

https://mod.gov.il/media/yepdxtwv/%D7%94%D7%97%D7%9C-%D7%A2%D7%99%D7%93%D7%9F-%D7%94%D7%9C%D7%99%D7%99%D7%96%D7%A8-241225.jpg?width=1142&height=766%20%20%20%20%20%20%20%20
Getting your Trinity Audio player ready...

GoGoGrandparent (YC S16) Is Hiring Tech Leads

GoGoGrandparent is a digital caregiving platform helping older adults stay independent at home. It adapts on-demand APIs into a concierge-style experience for people with cognitive, mobility, or vision challenges.

Reminiscences of a Stock Operator (1923)

https://www.gutenberg.org/cache/epub/60979/pg60979.cover.medium.jpg
The narrator, a young boy, starts working in a stock brokerage office and becomes interested in the behavior of stock prices, using his mental arithmetic skills to predict movements. He begins trading in bucket shops, eventually accumulating a large sum of money and becoming a target for the bucket shops, which try to double-cross him.

All-optical synthesis chip for large-scale intelligent semantic vision