EuroBirdPortal – Live bird movements across Europe

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Most EBP data is updated daily, but some portals submit data at longer intervals, causing blank areas in recent weeks. Incomplete weeks may not be fully reflected until the next update cycle.

Fable 5.1 Solves the Cyphral Distich, a 370-year-old cipher

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Claude Fable 5.1 solved Sir Thomas Urquhart's Cyphral Distich, a centuries-old cryptogram, using a simple rule based on the book itself and its accompanying poem. The solution was surprisingly straightforward in hindsight, demonstrating that models can solve historical mysteries with persistence and creative analysis.

A 386 PC for Your RP2350

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The Frank-386 emulator is designed for RP Pico 2 boards with VGA/HDMI output, SD card storage, and keyboard input. It emulates an i386 PC with peripherals like the 8259 PIC and sound devices.

Spaceships (Reverse Asteroid)

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Inverted Asteroids: you are not the ship. Place gravity wells and sling the rocks.

OpenArch – PyTorch implementations of modern LLM architectures

https://opengraph.githubassets.com/b9c1b497bf55ab0d2391d193577d1b4312f19da31807be306ece6a9dc97cdd55/anuj0456/OpenArch
This repository provides hand-written PyTorch implementations of modern open-source LLM architectures from scratch. It aims to clarify and learn the architectural choices behind these models, prioritizing readability over performance.

An atlas of periodic solutions to the three-body problem

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The three-body problem has thousands of periodic orbits, each with its own page on a map. These orbits can be rated and ranked in battles, forming families or constellations that display their unique characteristics.

Registration without a phone number on Signal will use zero-knowledge proofs

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The user has legitimate concerns about zero-knowledge proofs, but disagrees with the application of this technology. Signal's design inherently protects user anonymity and safety through its distrustful client-server model.

Apple's Dimensional Drawings

https://developer.apple.com/news/images/og/accessories-og.jpg
Download precise dimensional drawings and technical specifications for Apple devices to ensure your accessory designs meet the exact requirements.

The case against JPEG XL

https://giannirosato.com/static/img/caustics-hdr.avif
The author believes JPEG XL is not suitable for the web due to its complexity, lack of support for progressive decoding and deblocking loop filtering, and potential performance issues. The author thinks AVIF is a better fit for the web platform.

Show HN: 1080p is 920px tall – 1k real browser viewports

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ScreenSize.net sessions show desktops at 1920x920 pixels, mobiles at 400px, and most devices have a pixel ratio of 1.0. The site measures browser sessions without storing IP addresses or user data, honoring global privacy controls.

The Nature of Dance

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The writer reflects on their love of dance, exploring the connection between physical and mental aspects, including proprioception and emotional openness. They ponder how to teach students with varying levels of proficiency and consider the role of cognitive biases in understanding partner dancing.

Mullenweg has returned as CEO after attempted board ouster

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Matt Mullenweg, CEO of Automattic, is on paid leave after the board voted to remove him. He claims to be back in control and has been posting on company Slack despite being officially removed.

Ask HN: What are you working on? (September 2026)

The author is working on various projects, including AI modeling for 3D printing and an Anki extension that generates text, speech, and images. They are also building a website to discover first names and a game project called Vestiges.

Rope, twine and thread: Invisible technologies of the Stone Age

OEMpocalypse: Unprivileged Android app to root on Samsung, Xiaomi, others

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This research series aims to create a single, reliable and portable unprivileged Android app-to-root exploit chain targeting Samsung, Xiaomi and Oppo/OnePlus/Realme devices. The strategy focuses on finding page Use-After-Free (UAF) bugs in OEM-specific kernel drivers that can be reached via an OEM sandbox escape.

Julia 1.13 highlights

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Julia version 1.13 has been released with several improvements, including faster precompilation times and enhanced code introspection macros. The new release also includes changes to the hash function, object loading in sysimage and package images, and improved garbage collection performance.

Why is Google still serving dodgy ads?

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The author reported a deceptive ad on YouTube that mimicked an iOS system alert, but Google's review process approved it twice despite AI detecting the violation. Google has access to AI tools to detect such ads, yet failed to use them effectively in this case.

A Vacuum Diode for Make: Magazine

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The author detailed the process of building a vacuum tube, focusing on creating a robust pinch seal with Tungsten and borosilicate glass. They shared photos and insights from constructing the tube for a Make: Magazine article, highlighting challenges and techniques used in the fabrication.

HP ZGX Fury Is Now Orderable: GB300 Superchip, 748GB Unified Memory

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HP’s ZGX Fury AI station is now available to order, and HP paired the availability news with a collaboration with Red Hat and NVIDIA to put Red Hat AI Factory with NVIDIA on top of it. The ZGX Fury is HP’s take on NVIDIA’s DGX Station design, built around the GB300 Grace Blackwell Ultra Desktop Superchip with 748GB of unified memory and up to 20 petaFLOPS of FP4 compute, and HP is positioning ...

The GDR and Vietnam: From Fake Coffee to Coffee Empire

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The author attended a week of events in Leipzig, Germany, focusing on industrial culture and shared their story about East German botanists who successfully grew coffee in Vietnam after the fall of the Berlin Wall. They highlighted the complexities of this history and its relevance to understanding today's world.

Show HN: EterDB, a Postgres fork that makes it easy to recover from incidents

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eterDB is a database system that allows for point-in-time recovery without full restore or downtime, tracking reads and writes to undo past mistakes. It can revert specific rows or columns to their previous state, even after other transactions have been written on top of them.

Bad benchmarks and evals: Senior SWE-Bench, napkin math, and winter tires

https://danluu.com/images/exercise-7/deep-swe.webp
The author discusses benchmarks for computer performance, AI model evaluations, and car tire performance. They analyze the napkin math repository and find issues with the code used to estimate memory latency and disk read throughput.

Flawed routers flood University of Wisconsin internet time server (2003)

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The University of Wisconsin-Madison's NTP server was flooded with hundreds-of-thousands of packets-per-second from Netgear routers, causing operational problems. The flood was caused by a design flaw in the Netgear products' SNTP client implementation, which hardcoded a source port number and allowed for excessive traffic to be sent to the university's time server.

Nike exits the S&P 100 after 18 years and a $200B market-cap wipeout

https://fortune.com/img-assets/wp-content/uploads/2026/09/GettyImages-534705402-e1788891465553.jpg?format=webp&w=1440&quality=75
Nike, the sportswear company named after the Greek goddess of victory, is losing its spot in the top 100 U.S. companies for the first time in nearly two decades due to a significant decline in market value. The company's market cap has dropped by over $200 billion since its peak in 2021, and it will exit the S&P 100 on September 21.

Open-source AI and open models reading list

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This user shares research materials on open models, discussing their definition, benefits and risks, adoption rates and performance gaps with closed models. They also highlight the impact of Chinese labs on the AI ecosystem.

CUDA for AMD on Windows

https://opengraph.githubassets.com/0b88820bc9f826da46efd2bdc40d257673fdb529e505f56d89a06633e89bddce/Speedstu/CUDA-for-AMD-Windows
A reproducible Windows CUDA setup is built around ZLUDA + AMD HIP/ROCm for CUDA-facing compute applications, including LibTorch workloads. The validated hardware is currently an AMD Radeon RX 9060 XT GPU only, with other GPUs to be tested and reported separately.

Five Words from Vanishing Fleece

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Clara Parkes learns the process of turning fleece into yarn in Vanishing Fleece: Adventures in American Wool. She discusses various steps including carding, mordanting, and carbonizing to prepare wool fibers for dyeing and spinning.

The Malicious Use of Artificial Intelligence

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
This report explores potential AI security threats and proposes ways to forecast, prevent, and mitigate them. It also suggests areas for further research to improve defenses against these threats.

Astra and Fable still hack on simple variants of alignment evals from 2025

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Reverse-Engineering Claude Web's MicroVM: Uncovering Anthropic's Hidden Antspace

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Researchers reverse-engineered Claude Code, an unstripped Go binary from Anthropic's secret deployment platform, discovering a full AI-native PaaS architecture with local-cloud consistency and MicroVM technology. The analysis revealed a mature production-grade deployment protocol without any exploits or privilege escalation.