How NASA built Artemis II’s fault-tolerant computer

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Native Instant Space Switching on macOS

https://arhan.sh/_astro/settings.DnK3wkfD_Z2bVBxH.png
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.

I still prefer MCP over skills

https://david.coffee/i-still-prefer-mcp-over-skills/banner.png
The author is against the "Skills" standard for LLMs, preferring the Model Context Protocol (MCP) for service integration. MCP provides a more practical and standardized way to connect LLMs to services.

Generative art over the years

https://blog.veitheller.de/assets/genart/phyllotaxis.png
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.

We've raised $17M to build what comes after Git

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GitButler, a tool for software development, has raised $17M in Series A funding to redesign the way developers collaborate. The goal is to create a more social and intuitive platform that removes friction from collaboration and integrates AI tools seamlessly.

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

Charcuterie – Visual similarity Unicode explorer

https://charcuterie.elastiq.ch/social-share.png
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.

Principles of Mechanical Sympathy

https://martinfowler.com/articles/mechanical-sympathy-principles/cpu-memory-structure.png
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 ...

Afrika Bambaataa, hip-hop pioneer, has died

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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.

PicoZ80 – Drop-In Z80 Replacement

https://eaw.app/images/picoZ80_sch_rp2350.png
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.

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.

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

https://www.unfolder.app/img/og_image.jpg
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.

YouTube locked my accounts and I can't cancel my subscription

Universal Music Group is fighting AI music platforms, accusing them of using copyrighted material without permission, but this pressure is causing platform-wide consequences for users who are not involved in the fight. Users are losing access to their accounts and data due to automated enforcement, raising questions about who the system is built to serve.

The Raft consensus algorithm explained through "Mean Girls" (2019)

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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.

Reverse engineering Gemini's SynthID detection

https://raw.githubusercontent.com/aloshdenny/reverse-SynthID/main/assets/synthid_watermark.png
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.

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.

Instant 1.0, a backend for AI-coded apps

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Instant is a full-stack app builder that allows developers to create unlimited apps with real-time, offline, and fast performance, using a multi-tenant database and sync engine. It provides a range of built-in services, including auth, file storage, presence, and streams, and is designed to be easy to use and maintain, with a focus on developer productivity and scalability.

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

https://blog.skypilot.co/research-driven-agents/assets/banner.png
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.

VFX HQ: Visual Effects Headquarters (2000)

VFX HQ: Visual Effects Headquarters is now an archive. But every article is still online and searchable. For up-to-date info on the author's work and current projects, visit Todd Vaziri's home page, or read his blog, FXRant at http://FXRant.blogspot.com. TitanicJames Cameron's epic film required the collaboration of hundreds of the greatest effects artists in the industry. Read ...

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

https://www.demandsphere.com/assets/images/blog/2026/04/rebuilding-demandsphere.png
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.

Knit File Formats

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This is the third in a series of blog posts about the Material Programming Project. We are developing malleable knitting software for the Kniterate, a semi-industrial knitting machine. The first post, on the Knitout project, is available here, and a longer post about the Kniterate machine is here. The next post includes more detail about Kcode. B, Rosie and I met this week to work on knitout ...

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

https://hegel.dev/_astro/hedgel-small.CU9UUzkn.webp
Hegel is a universal property-based testing protocol and family of libraries, built on Hypothesis.

Will I ever own a zettaflop?

The user wants to harness massive computing power, specifically a zettaflop, to achieve incredible tasks in a short time. The main bottleneck is power, requiring 10 MW, which the user plans to generate from solar panels and energy storage.

LLM plays an 8-bit Commander X16 game using structured "smart senses"

The user recreated an 8-bit game called PvP-AI from 1990 using the Commander X16 retro-computer, achieving 8.6 frames/s with the emulator but only 4 frames/s on hardware due to a line drawing issue. The user then integrated a Large Language Model (LLM) into the game using "smart senses" for turn-based play and persistent notes, achieving successful interactions and planning actions with the LLM.

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.

An AI robot in my home

https://allevato.me/img/mabu_reborn2.jpg
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.

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.

Robots eat cars

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Tesla is converting automotive facilities to robot-production facilities, with plans to manufacture one million Optimus humanoid robots per year. The company's system architecture, which includes centralized compute and zonal controllers, is being adopted by other industries and suppliers.

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

https://opengraph.githubassets.com/67f2ac525a3138f9a9d137660eed8ad73c6f2ecb5f8592a75d0f729c0e8890e3/randerson112/craft
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

https://raw.githubusercontent.com/jure/webphysics/main/webphysics-logo.svg
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.