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.

Spaceships (Reverse Asteroid)

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

A 386 PC for Your RP2350

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A retro i386 PC emulator for Raspberry Pi Pico 2 with VGA/HDMI, SD storage, and input devices. Built with options for M1/M2 boards, USB HID, and custom configurations.

EuroBirdPortal – Live bird movements across Europe

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Most EBP data is daily, but some portals update less frequently, causing gaps in recent weeks. Incomplete weeks may affect interpretation, and errors might persist despite validation.

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

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Download precise dimensional drawings and technical specifications for Apple devices to ensure your accessory designs meet the exact requirements.

The case against JPEG XL

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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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The report tracks browser sessions, not global market share, with monthly aggregated data. Privacy is prioritized by excluding sensitive info and honoring privacy signals.

Of Gods and Languages: On "When God Spoke Greek" (2013)

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The Bible is a collection of sacred texts that originated from the Greek Septuagint, which was translated from the Hebrew Scriptures in the 3rd century BCE. The Septuagint preserves older versions of parts of the Hebrew Scriptures and has been influential in shaping Christian theology.

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

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.

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.

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.

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.

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.

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.

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.

Five Words from Vanishing Fleece

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Vanishing Fleece details the process of turning fleece into yarn, emphasizing parallel fibers and sliver production. It explains mordanting for dye fixation and carbonizing to remove vegetable matter.

The Nature of Dance

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Seldom do I have extended dialogues on the nature of dance with my friends... Somehow we just end up dancing all the time instead. Nonetheless I stare at the wall sometimes, contemplating it. What follows are 3 short thoughts, in no particular order, in which I explore various aspects of this, my favourite hobby. It recently became apparent to me (although, sadly, not for the first time), ...

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

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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.

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

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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.

CUDA for AMD on Windows

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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

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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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AI Robots – When will they be in our homes

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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.

'Coltrane' Review: Sound and Spirit

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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.

Necker, 1832: "An optical phænomenon on viewing a figure of a geometrical solid"

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