How NASA built Artemis II’s fault-tolerant computer

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Apple's New iPhone Update Is Restricting Internet Freedom in the UK

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Apple's iOS 26.4 update requires UK users to prove age and identity to access the internet, risking privacy and freedom of expression. This mandatory ID check excludes millions of adults, particularly low-income and disabled people, and may lead to a national digital ID system.

Native Instant Space Switching on macOS

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The user is frustrated with MacOS window management, specifically the inability to instantly switch spaces without animation. They found a solution called InstantSpaceSwitcher, a menu bar app that achieves instant space switching without drawbacks.

The Raft Consensus Algorithm Explained Through "Mean Girls"

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The Raft Consensus Algorithm is explained through the movie Mean Girls, where a clique of friends (the Plastics) replicates data and ensures consistency by achieving a majority vote. The leader of the clique (Regina George) sends heartbeats to maintain leadership status, and a new leader is elected when the current one is unable to assert dominance.

Generative art over the years

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The user has been making generative art since 2016, starting as a programming exercise and evolving into a personal journey of self-expression and discovery. Through experimentation and learning various algorithms and techniques, the user has developed a "vocabulary" of creative tools that inform their artistic decisions and help them convey a personal aesthetic.

Charcuterie – Visual similarity Unicode explorer

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A visual explorer for Unicode. Browse the character set, discover related glyphs, and learn more about the scripts, symbols, and shapes that make up the standard. Charcuterie is still under active development, and feedback is always welcome. If you would like to support the project and help make more time for it, consider a donation.

CollectWise (YC F24) Is Hiring

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CollectWise is a Y Combinator-backed startup using generative AI to automate debt collection. They're hiring an AI Agent Engineer to build voice AI infrastructure and reach $10 million in annual revenue within a year.

Hip-hop pioneer, Afrika Bambaataa, dies aged 68

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Afrika Bambaataa, a founding figure of hip-hop culture, has died at 68 due to cancer complications. He helped shape hip-hop as a musical genre and cultural force, but his legacy was complicated by allegations of child abuse and trafficking.

Principles of Mechanical Sympathy

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Mechanical sympathy in software is the practice of creating systems that are sympathetic to their underlying hardware, optimizing performance by following principles such as predictable memory access and the single-writer principle. By applying these principles, developers can create surprisingly performant systems, such as the mechanically-sympathetic LMAX Architecture, which processes ...

RAM Has a Design Flaw from 1966. I Bypassed It [video]

PicoZ80 – Drop-In Z80 Replacement

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The picoZ80 is a custom PCB designed to replace a physical Z80 in a host or industrial computer with a faster CPU, more memory, virtual devices, networking, and rapid application loading from an SD card. It hosts an RP2350B microcontroller, a dual-core 150MHz Cortex-M33 device capable of running at up to 300MHz, and an ESP32 co-processor for WiFi and Bluetooth connectivity.

Reverse engineering Gemini's SynthID detection

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Researchers reverse-engineered Google's SynthID watermarking system using signal processing and spectral analysis. They developed a multi-resolution spectral bypass (V3) that achieves high PSNR and can remove the watermark from images of various resolutions.

Unfolder for Mac – A 3D model unfolding tool for creating papercraft

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Unfolder generates 2D parts for 3D models in seconds with optimized unfolding. It allows customization and export in various formats for printing, editing, or CNC cutting.

Research-Driven Agents: When an agent reads before it codes

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A coding agent was used to optimize the performance of the llama.cpp neural network model, resulting in a 15% speedup on x86 and 5% speedup on ARM. The agent's success was due to its ability to read papers and study competing projects before writing code, allowing it to identify optimizations that code-only agents would miss.

Old laptops in a colo as low cost servers

Transform your old laptop into a powerful server with our colocation services in Amsterdam and US datacenters for €7/month. We provide free shipping, setup assistance, and KVM access to your laptop in a secure, professional datacenter.

Moving from WordPress to Jekyll (and static site generators in general)

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We migrated our site from WordPress to Jekyll for speed and ease of change, leveraging AI tools like Claude Code to streamline the process. The new site features improved search functionality, semantic clustering, and better SEO capabilities.

An AI robot in my home

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The author has concerns about having a smart robot, Mabu, in their home due to potential surveillance, data misuse, and hacking risks. They mitigate these concerns by controlling the recording feature and regulating interactions between Mabu and their children.

Hegel, a universal property-based testing protocol and family of PBT libraries

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Hegel is a universal property-based testing protocol and family of libraries, built on Hypothesis.

Many African families spend fortunes burying their dead

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In Ghana and other African countries, funerals are extravagant and expensive, serving as a costly signal of kinship group loyalty and wealth destruction. This kinship culture hinders economic growth by preventing individuals from accumulating wealth and making financial decisions for themselves.

How Close Is Too Close? Applying Fluid Dynamics Research Methods to PC Cooling

LinusTechTips visited NASA's Langley Research Center to test the impact of a front panel on a PC fan's cooling potential, using techniques such as tufting, PIV, and aeroacoustic measurements. The results showed that a front panel gap of 15 mm is functional as an intake fan, but a 5 mm gap creates a reverse flow that recirculates hot air within the PC case.

Show HN: I built a Cargo-like build tool for C/C++

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Craft is a lightweight build tool for C and C++ projects that automates configuration and dependency management. It uses a simple craft.toml file to generate CMake configuration and provides a clean command-line interface.

A WebGPU implementation of Augmented Vertex Block Descent

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This project is an experimental WebGPU physics prototype using AVBD solver for rigid-body and soft-body physics. It's an initial proof of concept with limited browser support and requires further updates for stability and ease of use.

Kagi Product Tips – Customize Your Search Results with URL Redirects

Kagi's URL Redirects allows users to control search result URLs by setting up textual find-and-replace rules. This feature lets users redirect URLs to preferred versions of websites or domains.

Show HN: Druids – Build your own software factory

https://camo.githubusercontent.com/ee3a40c55cf493db5e4de976473868ca11c82d9004f624c380d23b972a650607/68747470733a2f2f696d672e796f75747562652e636f6d2f76692f45564a71572d74765379342f6d617872657364656661756c742e6a7067
Druids is a library that coordinates and deploys coding agents across machines, abstracting away infrastructure and communication. It allows users to define programs with agents, events, and controlled steps to automate tasks like code review and pentesting.

Microsoft is employing dark patterns to goad users into paying for storage?

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I helped a non-tech literate customer resolve an issue with his laptop where he was running out of storage due to Microsoft's default Onedrive settings, which led to him deleting family photos to fix the problem. This incident highlights Microsoft's use of dark patterns to encourage users to pay for additional storage, and the need for companies to prioritize user experience and respect over ...

LittleSnitch for Linux

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Little Snitch for Linux is a network monitoring tool that tracks and blocks unwanted connections. It uses eBPF to observe and intercept network activity, and can be configured through a web interface or plain text files.

EFF is leaving X

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EFF is leaving X due to declining engagement and a shift in the platform's values under Elon Musk. They will focus on other platforms like Bluesky, Mastodon, and social media giants to protect digital rights.

Show HN: Rust based eBook library for Python, with MIT license

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The fast_ebook library is a Rust-powered EPUB library for Python that provides fast reading, writing, validation, and markdown conversion. It offers a neat MIT license and mirrors ebooklib's public interface for minimal code changes.

Launch HN: Relvy (YC F24) – On-call runbooks, automated

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Marketing promos went live, potentially causing traffic spikes, and need to be monitored. Relvy AI is checking logs for issues like auth failures and host-specific errors.

Microsoft PhotoDNA scanning problem

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Microsoft's PhotoDNA technology keeps flagging user's face picture, immediately closing Microsoft accounts. User's face picture is being scanned across Microsoft's ecosystem, including Windows 11, causing repeated account closures.