EuroBirdPortal – Live bird movements across Europe

https://eurobirdportal.org/img/preview-2.png
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

https://www.vals.ai/authors/geby.jpg
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

https://raw.githubusercontent.com/rh1tech/frank-386/main/screenshots/screen1.png
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)

https://spaceships.treybastian.com/og.png
Inverted Asteroids: you are not the ship. Place gravity wells and sling the rocks.

XCancel Taken Down Again

Unfortunately, due to a new development in the ongoing legal proceedings, we are required to suspend this service again until further notice. We can't share more details. Thank you for your understanding. And the trust you have put into the XCancel project.

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

https://community.signalusers.org/uploads/db3609/original/3X/2/a/2aae74b9e7c4af45dfcd09cfa6e9c90fb3b7534c.png
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.

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.

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.

An atlas of periodic solutions to the three-body problem

https://www.threebodyorbits.com/images/atlas-og.png?v=20260908b
The three-body problem's periodic orbits are mapped with 3,915 distinct paths, each forming families and islands. Each orbit can be explored, modified, and ranked in interactive simulations.

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.

Mullenweg has returned as CEO after attempted board ouster

https://techcrunch.com/wp-content/uploads/2024/10/matt-mullenweg.jpg?w=1024
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.

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

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.

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

https://calif.io/poster.bb2804c3.jpeg
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?

https://www.atomic14.com/assets/article_images/2026-09-13/hopeless.webp
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.

The Nature of Dance

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The author explores how underused feet can lead to instability and discusses the physicalist view of dance connection, emphasizing proprioception and movement mastery. They reflect on learning differences and the complexity of teaching dance, suggesting that understanding movement requires granular analysis and self-awareness.

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.

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.

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

https://eterdb.com/assets/og.png
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.

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

https://pages.cs.wisc.edu/~plonka/netgear-sntp/SNTPflood.png
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

https://substackcdn.com/image/fetch/$s_!pdpS!,w_1200,h_675,c_fill,f_jpg,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F53e3cead-b3c3-4fba-8503-c5a599d5fb01_3182x1790.png
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.

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.

Five Words from Vanishing Fleece

https://blog.wordnik.com/wp-content/uploads/Vanishing-Fleece-212x300.jpg
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.

'Coltrane' Review: Sound and Spirit

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AI Robots – When will they be in our homes

https://spectrum.ieee.org/files/67738/roomba-800x800-0loss-750kB.gif
This article showcases humanoid robots that can perform domestic chores, featuring various projects from companies and researchers. It highlights the challenges and advancements in creating robots that can assist humans in everyday tasks.

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

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