Ember-1

https://fireworks.ai/_next/image?url=https%3A%2F%2Fcdn.sanity.io%2Fimages%2Fpv37i0yn%2Fproduction%2Fdf5a6f5563b24d981bd4c119739a18be88e17146-1810x1208.png%3Fauto%3Dformat&w=3840&q=75
Fireworks Research introduces Ember-1, a specialized model that delivers Kimi K3's quality with 40% fewer tokens. Ember-1 is built on Kimi K3 and learned to cut unnecessary reasoning while keeping the thinking that matters.

In an $80 motel room, a discovery to shed light on the origins of life

A biologist and an evolutionary biologist discovered two new species of a single-celled organism called Paulinella in a motel room. The discovery brings the world's known total to six photosynthetic Paulinella species, made by a team led by Dr. Van Etten.

Writing Efficient C++ Code (2013)

https://asawicki.info/articles/pisanie_wydajnego_kodu_cpp/Rys01_DOD.png
The article discusses the importance of writing efficient code, particularly in applications where performance matters. It highlights that native languages like C++ can be used to achieve high performance but requires knowledge and familiarity with good practices. The article also introduces Data-Oriented Design (DOD) as a way of thinking that focuses on data storage and design to create ...

Replacing the old battery on rechargeable bike lights

https://jvns.ca/images/battery.png
The author successfully repaired their 10-year-old bike lights by replacing the battery, using minimal electronics skills and guidance from online resources. The repair cost around $20 CAD and has allowed the author to use the lights again without recharging.

Show HN: Lofi Cities – Pixel-art city nights with browser-generated lofi

https://loficities.com/img/og/home.png
Lofi Cities is a free web app that generates animated pixel-art city nights with endless lofi music, available on various cities worldwide. The app offers customizable settings and features like weather, track selection, and social interactions without requiring an account or cookies.

Show HN: TinyAIArena watch AI agents battle it out

Arrow keys: Left/Right Β· Home/End Β· Space: auto Β· Esc: menu Β· M: mute

The Normalization of Inexplicable Failures

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWqOvF787cVQ7sqEe9MDHTU-hSCIot6pf5UrOqxmfAXhrwqcZvIIN4JWF9sQC5DYQ1qb7_9Ok7XuZGulQ9XH2sLSrjtwqGgJmP_jmzRDPJUBtnxolAij6heLf2oXP7sAHCG0aczxQzBV185kXeZbKvdvtz4_5Ext6EJvTpIr4hKA4pQJKhEp-Mg40H-w0/s1600/curtis_stupid-thing-sucks_1_door-blog.gif
The author criticizes Jev, an AI model that returns typed values with probability estimates, for being opaque and not requiring users to build evals and a ground-truth pipeline. This makes it difficult to understand the model's limitations and potential failures.

SNL Weekend Update: Anthropic CEO Dario Amodei on A.I.'S Threat to Humanity [video]

On caring for user data: NeoVim caused Vim undo files to be deleted

https://unsung.aresluna.org/_media/they-had-no-concept-of-a-duty-of-care-to-their-users/ogimage.jpg
The author has used Vim for 20 years, writing numerous documents and relying on its persistent undo feature. They were disappointed with NeoVim's handling of persistent undo, which deleted their existing files without warning or explanation.

Oral history of John Chowning, inventor of FM synthesis [video]

Fragment of oldest known peace treaty found in Turkey

https://cdn.mos.cms.futurecdn.net/4do6hQ6xfWKfiYNMLtPppC.png
Archaeologists have discovered a 3,400-year-old fragment of the Treaty of Kadesh, the world's oldest known peace treaty. The ancient Egyptian and Hittite leaders signed it around 1269 B.C. to mark the end of a lengthy war between their empires.

Walgit: A Git server that is one binary in front of an object store

https://opengraph.githubassets.com/0d9e1e154352508d21a46c9acd5195503ef5c534bdf3813c9298666f6e9e26e0/rgodha24/walgithub
Walgit is a Git server that stores repositories in an object store, allowing for scalable and fault-tolerant hosting with no local state. It uses a write-ahead log as the source of truth and achieves consensus through CAS operations without election or quorum.

John Coltrane Centenary's – Impulse Records Release the Legendary Tiberi Tapes

Flip Fluid on Flip Dots

https://mitxela.com/img/uploads/2026/flipdots/flipdots-art.jpg
The author successfully implemented a FLIP (Fluid Implicit Particle) fluid simulation on a flipdot electromechanical display, achieving seamless tiling and fast updates. The project involved desoldering individual dots from old Hanover displays, mounting them onto new circuit boards with custom-designed H-bridge chips.

The Cartesian Hand: In-Hand Manipulation with All-Linear Fingers

https://generalroboticslab.com/assets/images/GRL_Logo.png
General Robotics Lab at Duke University - Building discovery machines that learn, act, and collaborate by discovering how the world works. Research in embodied intelligence, robotics, AI, machine learning, and human-robot collaboration.

Fakecloud: Local AWS cloud emulator for integration tests

Fakecloud provides a local AWS environment for development and testing without requiring an account or paid plan. It supports 3,932 API operations and 30+ service-to-service integrations, allowing developers to use the normal AWS SDK against localhost.

There are no "rogue" AI agents

Kicki: A DECsystem1060 – Interim Computer Museum

Show HN: Building a Markdown editor for Mac, iOS and web

We're verifying your browser Website owner? Click here to fix

Video CDs Break Windows Explorer

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmEXpyEYrKp1IrBYcszlrHRpBjTAvVf4YsSvuuaJSHMt4GIe1IK5wY29MGno4NiTYDAQd3LWEchLC65hmShxwPVBp1xZhpb0YICEog5e1m7kA4FrUsw2XFK5yzD8_plHvcetHaTC1t7yU7hGFIpt4LUePB98vCxqjltTa7oww8Wyy1bUQ0FOeLv0fqqAFQ/s1600/vcdbug.png
Copying VCD files in Windows Explorer can cause system instability due to a bug introduced with 2023 updates. The issue is often reproduced by copying the MPEGAV folder, which leads to a "broken" state requiring a restart of the PC.

Faster prompt lookup drafting in llama.cpp

https://jadidbourbaki.github.io/blog/prompt-lookup-llama-cpp/lemire-constmap-tweet.png
The author optimized prompt lookup decoding in llama.cpp, achieving a 140x speedup by leveraging Daniel Lemire's PR and their own performance optimizations. The changes improved latency per drafted token, static cache load time, and memory usage.

Improving site performance by shipping more CSS

https://github.blog/wp-content/uploads/2026/01/generic-invertocat-github-logo.png?resize=1600%2C850
The Primer Design System migrated from CSS-in-JS to CSS Modules in 2024, improving performance and accessibility. The migration was done incrementally using feature flags and visual regression tests to ensure no breakage occurred during the process.

PostmarketOS is rebranding as Nura

https://nura.eco/static/img/2026-09/stickers.jpg
The postmarketOS project has been renamed to Nura, inspired by ancient granite structures in Sardinia for stability and resistance. The new name was chosen after a community-driven process and trademark protection has been secured.

Show HN: A CC0 museum of retro 3D tricks you can paste into a page

https://3d-retro.com/og.jpg
Copy a demo, drop it on a page. Old workstation tricks, WebGL 1 or a 2D canvas. Licensed CC0. Spaghetti vortex A concentrating 3D vortex. Trails spiral in as the core slims. Illustration, not a solver. The catalog is at /llms.txt and /api/v1/experiments. Source HTML is at /examples/{slug}.html, licensed CC0 1.0.

Show HN: Trail – new kind of logic game

https://trail.franzai.com/og.jpg
A generated logic puzzle that gets a little harder every level. Free on the web and on the App Store.

Go Concurrency Distilled

https://antonz.org/go-concurrency-distilled/cover.png
This mini-book covers Go concurrency topics, including goroutines, channels, wait groups, and synchronization primitives like mutexes and semaphores. It provides interactive examples to help readers experiment with these concepts.

Ten lines of code that changed my world

https://pixelambacht.nl/img/helloworld.webp
The user shares 10 lines of code that hold personal significance, including a "Hello World" line and examples of low-level programming in assembly language. These snippets evoke memories of early coding experiences and the thrill of exploring computer systems.

C's Flexible Integer Sizes Were Not a Design Mistake

https://pikuma.com/images/about/profile.png
C's flexible integer types were a design choice to achieve portability across various computer architectures, not a mistake. The language allowed for different signed representations and sizes, which worked efficiently on 12-64 bit machines with varying character sets and memory addressing schemes.

PipePipe: NewPipe hard fork implementing SponsorBlock

https://raw.githubusercontent.com/InfinityLoop1308/PipePipe/main/assets/logo.png
The user forked NewPipe in 2022 to develop PipePipe independently, creating two separate projects. This allows for faster updates and issue fixes without relying on NewPipe's updates or changes.

Rusty thoughts on "Parse, don't validate"

The author reviews the "parse, don't validate" pattern in Rust programming language and its application to various types such as Vec, NonEmpty, and AbsPathBuf. This pattern involves transforming data into a new type that carries additional meaning without explicitly validating it.