Show HN: An e-ink frame that hears birds and draws them as 1800s illustrations

https://raw.githubusercontent.com/arnegiacomo/fugleramme/main/docs/assets/hero.jpg
A Raspberry Pi-based e-ink bird frame uses AI for real-time bird detection, displaying hand-cut 1800s illustrations of birds heard in the garden. The project is still in development and welcomes contributions to improve its features and artwork.

Swift 6.4 Released

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Swift 6.4 is now available, offering improved support for various platforms and tools, including a more robust build system and enhanced interoperability with C++20's std::span. The release also includes numerous code improvements and new features to make everyday development smoother.

Cartesian – AI 3D Modeling for Design

https://www.formas.ai/cartesian/assets/restaurant-hover-0.webp
This software allows users to create precise models of objects and spaces without needing to learn, using various input methods like sketching or editing. It enables users to edit specific parts while keeping others intact, making it suitable for projects from small furniture changes to large-scale urban planning.

Show HN: Capsule – Single-file web apps that save their data into SQLite

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Capsule is a portable app that bundles UI, data, and everything into a single .capsule file with no cloud or accounts. It allows for offline access and cross-platform compatibility without cloud storage or subscriptions.

Java 27 Released

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JDK 27 is now Generally Available, featuring nine JEPs and hundreds of enhancements. It includes features like G1 as the default garbage collector and Vector API, with thousands of bug fixes.

Show HN: Hacking a $20 4G wireless hotspot into a texting device

https://bkovac.github.io/modem-thing/visual/img1.jpg
The author created a custom Clicks Keyboard for iPhone 16 Pro Max using an MF800 module, which powers the keyboard and has a built-in display. The device runs Linux and supports USB host mode with power switching.

I can't stop thinking about Papua New Guinea

Giving up on smart rings

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The author stopped using their Oura smart ring after a year due to its downsides, including size changes and scratches. They're now considering switching to a fitness band like Google Fitbit Air for convenience and accuracy.

25 Years of Mass Surveillance Is Enough

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The US government's shift from targeted to mass surveillance since 9/11 has led to a significant erosion of Americans' rights and freedoms, with widespread use by law enforcement and private companies. The Fourth Amendment's protection against unreasonable searches is being undermined by the collection of vast amounts of personal data without warrants or probable cause.

A Man Archiving Pirate Radio Station Kool FM

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Kool FM, a pioneering London pirate radio station, broadcasted from 1991 to the present under the Rinse umbrella. Trevor 7oaks curated the Original Kool Archives, preserving over 9,000 recordings of jungle and drum & bass music that defined London's underground scene in the early 1990s.

The CSS Zen Garden dream shipped

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Mozilla rebuilt Firefox.com using modern, native CSS without preprocessors, showcasing a fully functional design system. This achievement demonstrates the progress made in closing the gap between theoretical and practical web development over the past two decades.

Sony's First Computer – The SMC-70 from 1982 [video]

Alternatives to MinIO for single-node local S3

https://rmoff.net/images/2026/01/minio01.excalidraw.png
The author is looking for a simple replacement for MinIO, which was abandoned in 2025, and has tested several alternatives including S3Proxy, SeaweedFS, CloudServer (part of Zenko), Garage, Ozone.

Show HN: Panel – A research workspace where the agent can build its own panes

https://raw.githubusercontent.com/greentfrapp/panel/main/assets/panel_screenshot.jpg
A research workspace with a chat, files, and notebooks dock allows users to collaborate with an agent that can read and write files. The workspace has customizable panes for different file types and supports inter-module workflows through typed definitions.

CSS-Tricks in Limbo

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CSS-Tricks is currently inactive after Digital Ocean re-hired Geoff Graham in June 2024, but its future remains unclear due to lack of communication. The company's recent $3 million donation to Omarchy raises concerns about their priorities and commitment to supporting quality publications like CSS-Tricks.

Closing the IPv6 First-Packet Gap with Grand

https://labs.ripe.net/media/images/Screenshot_2026-09-04_at_15.36.17.width-992.png
GRAND addresses IPv6 Neighbor Discovery asymmetry by having hosts proactively advertise their addresses. Implementing GRAND in FreeBSD required adding queueing and delayed transmission mechanisms to handle RFC 4861 behaviors.

The bitter lesson of browser agents

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When we launched Browser Use in November 2024, GPT-4o wasn't trained for computer use. Built on next-token prediction, it didn't reliably understand what it could do on a page. We had to spell it out. As models got better at coding, we moved from predefined state and actions to code: first the model wrote its actions, then its observations. Now it does both through raw CDP, inside an ...

Show HN: Ordewell – turn one goal into an ordered plan of coding-agent tasks

https://raw.githubusercontent.com/ordewell/ordewell/main/assets/readme/hero-plan-to-run.gif
The Ordewell tool helps plan and execute coding-agent tasks with multiple runners, models, and modes, allowing for flexible planning and execution. It supports various providers, including OpenRouter, Anthropic, and OpenAI, and offers features like live thinking timelines, task cards, and red-green-refactor instructions to facilitate efficient development workflows.

Inverse-Square Law

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The inverse-square law states that the intensity of physical phenomena decreases with the square of distance to the origin, not directly proportional or cubically. This is due to a mathematical derivation involving a sphere's surface area and projected polygons on its surface, which shows each polygon has an area equal to the original square's area.

Global bond yields hit 2008 highs, raising stakes for big borrowers

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OpenArm: An open-source 7DOF humanoid arm

https://raw.githubusercontent.com/enactic/openarm/main/website/static/img/hardware/openarm_and_cell.png
OpenArm is an open-source 7DOF humanoid arm for physical AI research, prioritizing human-robot interaction and practical payload capabilities. It offers a flexible platform for various applications at $6,500 USD.

Lingo.dev (YC F24) is hiring a senior content engineer (Remote, worldwide)

https://lingo.dev/og.png?title=Senior+Content+Engineer
Lingo.dev is a localization engineering platform that produces content on various topics, including blog posts and product updates, using AI tools like Claude. The team writes about events, news, and research results through the lens of Lingo.dev's positioning for both technical and non-technical audiences.

Suspected sabotage causes major Netherlands rail disruption

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Rail disruption in the Netherlands is caused by suspected sabotage, with pipes attached to tracks at multiple locations. The incident has led to cancellations and delays for passengers across the country, particularly in Amsterdam and Utrecht.

25 Years of Mass Surveillance Is Enough [Auth: Cindy Cohn; Bruce Schneier]

https://lawfare-assets-new.azureedge.net/assets/images/default-source/article-images/surveillance-camera-(1).png?sfvrsn=1f2a75b9_7
The US government's shift to mass surveillance since 9/11 has led to a significant erosion of Americans' rights and freedoms, with widespread use by law enforcement and private companies. The lack of transparency and oversight has resulted in numerous abuses, including tracking individuals for personal reasons.

The k-server conjecture is true

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
The $k$-server conjecture is proven for deterministic online algorithms, with the work function algorithm satisfying a competitive ratio of $k$. The proof uses matrix algebra to represent feasible paths and updates via basis changes.

AI is breaking our proxies for expertise

Mathematicians are concerned that AI's success in solving major problems undermines the value of human intellectual work, as it can generate proofs without generating new ideas. This could lead to a loss of prestige and motivation for mathematicians.

US confirms for first time it has deployed space weapons

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The US has confirmed it deployed a space weapon in Earth's orbit, citing the need to safeguard its forces against hostile enemy action. The move comes amid concerns over Russia and China developing ways to attack and disrupt US satellites in a future conflict.

The Inference Hardware Revolution of 2026

https://spectrum.ieee.org/media-library/silhouetted-hand-holding-a-glowing-computer-chip-against-a-blue-background.jpg?id=67740879&width=1200&height=1599
Since about 2020, AI has largely focused on training bigger and better models. Large language models (LLMs) ballooned from millions of parameters to trillions. This proved effective: The largest version of OpenAI’s GPT-3, released in 2020, correctly answered just 43.9 percent of questions on a popular knowledge-and-reasoning benchmark. Just four years later, GPT-4o reached a score of 88.7 ...

OpenAI buys smartphone camera maker Glass Imaging for $300M

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Glass Imaging was founded by former Apple engineers Ziv Attar and Tom Bishop, using AI to improve smartphone camera images. OpenAI is rumored to be working on its own hardware, including devices similar to smartphones and earbuds.

Pion, an agent designed to run any company autonomously

https://andonlabs.com/blog/why-we-built-pion/vending-bench-performance-vs-release-date.webp
Researchers have developed a platform called Pion to study AI's ability to autonomously acquire resources in the real world by running businesses. The goal is to understand model capabilities and potential risks before widespread deployments.