Protecting SSH Keys with macOS Secure Enclave

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The author has set up SSH keys using macOS's Secure Enclave for secure authentication, creating a hardware-backed solution to protect against malware. They provide detailed steps and recommendations for implementing this method, including managing key handles and authorized_keys files.

OSS projects banning AI-generated contributions

This project prohibits contributions generated by generative AI tools, including code and documentation. All contributed text, code examples, explanations, and images must be authored by the contributor without AI assistance.

Smart home devices should work without the internet

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The author shares their home automation setup, emphasizing the importance of hardware ownership and local protocols to ensure devices work offline. They outline 11 rules for building a reliable smart home system.

.name Grandfathered

Verisign is retracting its plan to terminate 22,000 domain names and email redirects after a team effort. The existing domains and email redirects will remain indefinitely due to the collective efforts of many individuals who joined the fight against this decision.

Scion is back and is going to sell a kei truck in America

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Toyota revived Scion as a "freedom lab" with the KEI-01, an ultra-compact utility truck. The first production vehicle is a rebadged Toyota Pixis with a 660cc engine and CVT transmission, suitable for commercial and agricultural use.

Greg Kurtzer's Ginux is now a userspace kernel

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Ginux is a configurable userspace kernel for isolated Linux compatibility instances, designed to deliberately break the full Linux ABI guarantee and offer smaller contracts to each managed instance. It supervises native x86-64 programs and intercepts managed syscalls before their host effect.

A great old-timey game-programming hack (2013)

The author recounts a story of optimizing a 1980s-era PC game's tile-copying subroutine to improve its speed. The original code was slow due to the graphics hardware not doing much, and the programmer had already optimized it as much as possible.

To deter bioterrorism, U.S. imposes new rules on ordering synthetic DNA

The US government has introduced new regulations requiring scientists to procure synthetic nucleic acids and equipment from approved suppliers, with a focus on preventing misuse of DNA for bioterrorism. The policy aims to make it harder for "competent lone wolves" to obtain sequences but is seen as imperfect and lacking in resources.

Apple has new Mac app coming to make running local AI models easy

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Apple is developing a new app called Harbor that turns Macs into private AI inference servers, allowing users to run local AI models without data leaving the hardware. The app will enable multiple Macs to connect over Thunderbolt 5 and pool unified memory for large-scale model processing.

Six Math Essentials

The book "Six Math Essentials" by Terence Tao is a 128-page hardcover, also available as an e-book and digital audio edition. It introduces six central math concepts to help readers understand the world.

A Compendium of Abandoned Greenhouses

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The author explores the world of abandoned greenhouses, finding many examples of once-thriving glass forests now left to nature's mercy. These structures, often forgotten in mass-producing societies, are surprisingly thriving and even beautiful in their decay.

Why I wrote the BEAM book (2025)

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The author wrote "The BEAM Book" after 10 years of working on it, aiming to provide a comprehensive guide to the Erlang/BEAM VM. The book covers various topics such as schedulers, processes, garbage collection and memory management.
A Linux user tried to develop a new driver for DisplayLink docks, but Synaptics' legal team claimed patent infringement and sent cease-and-desist letters. The user is now complying with the demands and will not submit the work to the kernel.
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The Mini 2 is a battery-powered device that stays online while charging or with a spare battery, featuring an IP67 rating for durability. It's thinner and tougher than its predecessor, with quick-swap battery capabilities set to launch soon in more countries.

AlphaProof Code

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Google DeepMind researchers used a new agentic framework to formally verify the code of Signal's cryptographic protocol, proving its security properties mathematically. This breakthrough uses AI to prove key security aspects of widely deployed protocols like Signal and Google Messages at unprecedented depth.

Why Amstrad chose the 3" drives

Val Town is winding down

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Val Town is shutting down due to inability to compete in cloud computing, but users can migrate to other hosting providers with guides available. Existing subscriptions will be serviced for free and partial refunds will be issued for pre-paid annual plans.

Tracking Anthropic-discovered vulnerabilities

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Anthropic's Project Glasswing has tracked 442 CVEs, but only 2 have been exploited in the wild. The project's true positive rate has risen to 94.2%, raising questions about duplicate and withdrawn findings.

Show HN: Get your coding agent off ~2019 JavaScript, onto modern web primitives

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Modern Web Guidance is a set of skills that embed web platform expertise, best practices, and browser compatibility data into coding agents. It helps steer agents away from legacy patterns and toward solutions harnessing the power of modern web platforms. The tool uses real-time compatibility data to dynamically adapt to current browser support.

Hacking the Meta Ray-Ban smartglasses

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The author attempted to exploit vulnerabilities in Meta's 2025 glasses, discovering arbitrary code execution and a way to run any app on the device. They reported their findings to Meta through their bug bounty platform and had them approved, which likely fixed the issue.

A ZIP-style Prolog VM for trilog

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The goal is to create a Prolog compiler for the ZIP virtual machine, aiming to improve Trilog's performance. The project involves translating Prolog code into binary that can be executed by the ZIP VM.

Claude Whiteboards, Claude Sheets, and Claude Data

https://claude.com/resources/articles/sheets-whiteboards-data/opengraph-image/og
Claude Whiteboards, Sheets, and Data are now available in beta with new features like live sharing and certified queries. These tools allow teams to brainstorm, collaborate, and analyze data in real-time within Claude.

LLMs Play Zachtronics' TIS-100

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Researchers used 16 large language models to solve TIS-100 puzzles, a game that requires optimizing code for small processors. The models found new frontier points, which are better solutions than existing community records in some cases.

AI usage generates a fragile codebase

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The author was laid off from Meta due to their resistance to adopting AI/LLMs as coding tools, but now they're employed at another company where AI-generated code is the norm. They argue that relying on AI for large-scale SaaS development leads to fragile and brittle codebases.

$30M Raised to Redo the CPU

Tendrils has raised $30M to rebuild general-purpose computing with thousands of parallel cores, moving beyond legacy architectures. The company is developing open-source language Vine and a new wave of parallel-first architectures.

AMD's Zen 6 Family: Feeding the Beast

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AMD's Zen 6 CPU core family has evolved from Zen 5 with changes in the integer schedules, branch predictor, and out-of-order structures. The new designs cater to different workloads, with Zen 6 optimized for high-frequency applications and Zen 6c designed to handle memory-intensive tasks.

Announcing .NET 11

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The .NET 11 release brings significant improvements to C# 15, ASP.NET Core, .NET MAUI, and Windows development. It includes hundreds of runtime optimizations, new language features like union types and closed hierarchies in C#, as well as AI-powered development tools.

"Jumping genes" helped ants evolve after the extinction of the dinosaurs

https://www.uni-muenster.de/news/data/img/2026/09/15659-788BzFzi-webL.jpg
Transposable elements in ant genomes drove rapid speciation after the dinosaur extinction. These "jumping genes" enhanced chemical communication, aiding ant social structures and diversification.

Show HN: Black Ops II statically recompiled to native ARM64 macOS

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This project statically recompiles Call of Duty: Black Ops II from 32-bit x86 Windows to native ARM64 macOS, allowing players to run the game on Macs. The conversion process takes around an hour and requires a Steam copy of the game.

Process Explorer for macOS

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Sysinternals Process Explorer for Mac is a native macOS implementation of the core Process Explorer experience, providing live process tree and module inspection. The app can use an optional privileged root helper for operations requiring elevated privileges, such as richer cross-user process detail.