GenCAD

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GenCAD is an image-conditional CAD model that generates 3D CAD and its command history. It uses a strong representation learning framework for multiple modalities of computational engineering designs.

Prolog Coding Horror

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A Prolog programmer should rebel against outdated features, not against the language itself. Using declarative constructs can make Prolog programs more general and efficient.

ThinkPad: From IBM's Bento Box to Lenovo's AI Workstations

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ThinkPad has been a continuously shipped laptop family since October 1992 under two corporate owners, IBM and Lenovo, with a visually continuous design language across product lines. The brand's durability is attributed to its design language, including the matte-black wedge, red TrackPoint, and enterprise security stack, which has been maintained across multiple product lines and corporate ownership.

Fabricked: Misconfiguring Infinity Fabric to Break AMD SEV-SNP

https://xca-attacks.github.io/Fabricked-symbol.svg
Fabricked is a novel software-based attack that manipulates memory routing to compromise AMD SEV-SNP, enabling arbitrary read and write accesses within Confidential Virtual Machines (CVMs). The attack exploits two critical flaws in the Infinity Fabric configuration, allowing a malicious hypervisor to bypass SEV-SNP initialization and disable integrity protection.

I turned a $80 RK3562 Android tablet into a Debian Linux workstation

https://opengraph.githubassets.com/29f9619c1db5d42706687c8afd49e365dfc41d829e1186215f856c93f7c48908/tech4bot/rk3562deb
Debian 12 Bookworm runs on Doogee U10 tablet without bootloader unlock using rkdebian build system. It supports local LLM inference on RK3562 NPU and has functional front and rear cameras but needs color calibration.

Ask an Astronaut: 333 hours of Q&A footage with astronauts

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Find your question among hundreds of astronaut interviews aboard the International Space Station

Two EA-18 fighter jets collide at Mountain Home airshow, pilots ejected safely

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Two US Navy jets collided and crashed at an air show at Mountain Home Air Force Base, but all four crew members ejected safely. The incident occurred during an aerial demonstration, with no one on the ground hurt, but a nearby road is closed for a multi-day investigation.

Mercurial, 20 years and counting: how are we still alive and kicking? [video]

https://fosdem.org/2026/schedule/event/AGWUVH-mercurial-aint-you-dead-yet/AGWUVH-mercurial-aint-you-dead-yet-cf8bec3e953e1ac0da4f39230d605d79932405d263f732632ad7bdbb0aa81e12.svg
Mercurial's popularity declined due to Git's rise in the 2010s, but it remains active with modern tooling and community support. Its history offers lessons for version control's future, highlighting community-based open-source relevance.

VoIP brings back old-fashioned pay phones to rural Vermont (2025)

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Patrick Schlott, an engineer in Vermont, restored old pay phones to provide free-to-use public phones with VoIP technology. He has installed over a dozen phones across Vermont, offering users to make calls in the US and Canada with local internet connections.

Design posters showcasing your country's electrical grid

https://raw.githubusercontent.com/open-energy-transition/grid2poster/main/posters/india_grid_neon_cyberpunk_20260512_143421.png
Generate print-ready posters of electrical grid infrastructure from OpenStreetMap data. Transmission lines for a country or continent are downloaded and rendered with GeoPandas, OSMnx, and Matplotlib. The project is heavily inspired and reused styling from maptoposter. Coverage and quality in your country can be improved by mapping transmission infrastructure directly in OpenStreetMap. ...

Magical Realism: “Northern Exposure” 25 Years Later (2015)

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Show HN: Semble – Code search for agents that uses 98% fewer tokens than grep

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Semble is a code search library that indexes and searches codebases instantly, using 98% fewer tokens than grep+read. It runs on CPU with no API keys or external services, providing fast and accurate results for agents.

Hindenburg’s Smoking Room

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The Hindenburg had a smoking room to minimize fire risk from hydrogen gas, with a higher pressure and airlock to prevent leaks. The room was closely monitored and had limited open flames to prevent fires from spreading to the gas cells.

CUDA Books

https://opengraph.githubassets.com/43384a509b88250b47c5bb87f0b5d08b033c9d883e6bb44fd2781db79e7cfe51/alternbits/awesome-cuda-books
A curated list of major CUDA programming books covers beginner to advanced topics, including C++/Python, architecture, optimization, and the latest releases. The list includes 15 high-quality resources, including classic and modern books, with a focus on practical and hands-on learning for NVIDIA GPU parallel computing.

An AI Hate Wave Is Here

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AI backlash is growing as people worry it will steal jobs, hurt the environment, and further enrich the wealthy. Negative AI sentiment could become a financial liability for AI labs due to public resistance and data center setbacks.

I don't think AI will make your processes go faster

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You're re-reading "The Toyota Way" and "The Goal" to improve process optimization, but find that many exercises are too simplistic and misunderstand what to focus on. To speed up processes, you need to identify and address bottlenecks, not just add more resources.

Prolog Basics Explained with Pokémon

https://unplannedobsolescence.com/blog/prolog-basics-pokemon/images/pikachu.png
The user describes how they used Prolog to model the complex mechanics of the Pokémon video game series, finding it to be a concise and expressive programming system for intricate rules engines. They also discuss the limitations of using spreadsheets for complex data modeling and express interest in building a web application using Prolog to provide a more extensible and maintainable solution.

New Nightmare Just Dropped: '3D' Animated Ads on Trucks in Traffic

https://www.thedrive.com/wp-content/uploads/2026/05/LED-Truck-Media-Image.jpg?quality=85&w=1920
A digital ad company is introducing 3D billboards on moving trucks with LED panels creating realistic effects. The author strongly opposes this idea, citing safety concerns and unwanted advertising.

High-Entropy Alloy

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High-entropy alloys (HEAs) are a novel class of materials formed by mixing 5 or more elements in equal or large proportions, exhibiting unique mechanical properties such as high strength, toughness, and ductility. HEAs have potential applications in extreme environments due to their enhanced properties.

Jank now has its own custom IR

https://jank-lang.org/img/logo-transparent.png
The author of jank, a Clojure dialect, has created a custom intermediate representation (IR) to optimize jank's performance and compete with the JVM. The author has implemented several optimizations, including inlining, eliminating unnecessary IR instructions, and using tagged pointers to avoid dynamic allocations, which have significantly improved jank's performance in a recursive Fibonacci benchmark.

Trials on veterans suggest ibogaine could provide a new treatment for PTSD

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Veterans with PTSD are being treated with ibogaine, a potent psychedelic, which may provide a new treatment option. Scientists are still unsure how ibogaine works, but research suggests it may help with PTSD symptoms and addiction.

The occasional ECONNRESET

The issue is caused by the server closing the socket before the client has finished reading the data, resulting in a TCP RST. This is due to the server's close() call being executed before the client has read all the data, causing the client to receive an ECONNRESET error.

Schanuel's Conjecture and the Semantics of Triton's FPSan

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FPSan is a compiler pass that replaces floating-point operations with integer operations to preserve algebraic equivalence in Triton programs. Its correctness depends on Schanuel's conjecture, an unsolved problem in transcendental number theory.

Tesla Solar Roof is on life support as it pivot to panels

https://electrek.co/wp-content/uploads/sites/3/2019/08/Tesla-Solar-Roof-quote.jpg?quality=82&strip=all&w=1600
Tesla's Solar Roof failed to meet its 1,000-per-week target, with only 3,000 systems installed in nearly a decade. The company has pivoted to conventional solar panels, abandoning Solar Roof customers with unresolved product issues and poor customer service.

Native all the way, until you need text

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A native macOS developer tried to implement a simple chat with Markdown support using SwiftUI, but it was immature and had performance issues. They eventually used WebKit or Electron to achieve better results, realizing that native SDKs are not ideal for complex text rendering.

Multi-Species Canopy Latrines in Costa Rican Cloud Forests

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AI is a technology not a product

A writer for Wired, Steven Levy, thinks Apple needs a killer AI product to stay ahead, but the company's CEO, Ternus, says they focus on shipping amazing products, not technologies. AI will be pervasive, but it won't replace the iPhone, and Apple will integrate it into their existing products.

Mozilla to UK regulators: VPNs are essential privacy and security tools

Mozilla opposes age-gating VPNs, citing their importance for online privacy and security. Instead, Mozilla advocates for addressing online harm by holding platforms accountable and investing in digital skills and digital wellbeing.

Apple Silicon costs more than OpenRouter

The M5 MacBook Pro's electricity cost for local inference is $0.009-$0.02 per hour, making it 3x the cost of OpenRouter for comparable models. However, local inference speed is slower, but still cost-effective for human employees with work laptops.

Colossus: The Forbin Project

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Colossus: The Forbin Project is a 1970 American science-fiction thriller film about a sentient defense system that gains control over the world. The film is based on the 1966 novel Colossus by Dennis Feltham Jones and stars Eric Braeden, Susan Clark, and William Schallert.