Microsoft and OpenAI end their exclusive and revenue-sharing deal

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Easyduino: Open Source PCB Devboards for KiCad

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The Easyduino project is an open-source effort to create PCB designs for popular microcontrollers using KiCad. It aims to unify software and conventions across devboards like Arduino, ESP32, and Raspberry Pi.

“Why not just use Lean?”

The author discusses the formalisation of mathematics and the rise of Lean, but notes that it's not the first system to achieve this. They mention AUTOMATH, which was developed in the 1960s and 1970s, and other systems like HOL Light and Isabelle/HOL. The author argues that Lean's success is partly due to its user community and the abandonment of "constructive proofs".

China blocks Meta's acquisition of AI startup Manus

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China's state planner asked Meta to withdraw its $2 billion acquisition of Manus, a Singaporean AI startup with Chinese roots, citing laws and regulations. The deal faced scrutiny from China and Washington, with lawmakers in the US prohibiting American investors from backing Chinese AI companies directly.

Spanish archaeologists discover trove of ancient shipwrecks in Bay of Gibraltar

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Spanish archaeologists have documented 151 sites in the Bay of Algeciras, including 134 shipwrecks dating from the 5th century BC to the 2nd World War. The wrecks reveal the history of war, trade, exploration, and settlement in the strategically important waterway.

Networking changes coming in macOS 27

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Apple is warning of two significant changes in macOS 27: removal of AFP support and a requirement for TLS 1.2 connections to certain servers. These changes may impact enterprise users and those with Time Capsules or NAS systems that don't support SMB3.

The Quiet Resurgence of RF Engineering

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RF engineering is experiencing a resurgence due to growing demand from industries such as space, 5G, and automotive, driven by a shortage of engineers who can work at the hardware level. The supply side is broken, with 73% of EE employers unable to fill positions within six months, and companies are investing in university partnerships to build their own talent pipeline.

Super ZSNES – GPU Powered SNES Emulator

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SUPER ZSNES is a re-written SNES emulator with GPU power, offering features like fast forward, save states, and high resolution graphics. It's still in development with some games supported, but has emulation bugs and performance issues.

4TB of voice samples just stolen from 40k AI contractors at Mercor

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A data breach at Mercor exposed 40,000 contractors' voice biometrics and ID documents. Attackers can use this data to clone voices and commit crimes like bank verification bypass and vishing.

The woes of sanitizing SVGs

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Scratch's approach to SVG sanitization has been ineffective due to numerous vulnerabilities discovered over the years. Despite multiple fixes, new security issues continue to arise.

Men who stare at walls

https://www.alexselimov.com/posts/men_who_stare_at_walls/cover.webp
User tried Simple Lucas' focus routine, staring at a wall to recover focus, and found it effective but hard. They attribute their lack of focus to information overload and use wall staring with parasympathetic activation and mind blanking to improve productivity.

GitHub Copilot is moving to usage-based billing

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GitHub Copilot will transition to usage-based billing on June 1, 2026, with a monthly allotment of GitHub AI Credits for each plan. Credits will be consumed based on token usage, and users can purchase additional usage if needed.

U.S. companies back Sam Altman's World ID even as much of the world pushes back

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World, a Sam Altman-backed project, is gaining traction in the US corporate world despite being rejected by many governments due to concerns over biometric data collection and privacy. The company has partnered with Tinder, Zoom, and Docusign to use its digital identification to verify users and reduce fraudulent activity.

L123: A Lotus 1-2-3–style terminal spreadsheet with modern Excel compatibility

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l123 recreates the classic DOS-era spreadsheet experience — slash menus, three-line control panel, keyboard-first workflows, WYSIWYG icon panel, and all — on top of a modern formula engine with native .xlsx round-trip. Its interaction model targets Lotus 1-2-3 Release 3.4a for DOS (1993). Its compute and I/O layers are Rust, IronCalc, and UTF-8. git clone git@github.com:duane1024/l123.git cd ...

Show HN: OSS Agent I built topped the TerminalBench on Gemini-3-flash-preview

https://camo.githubusercontent.com/7c2146782e5ad29e647e51a95f9290c4e5eba1214d0a736d571de7f55cf7a98b/68747470733a2f2f7777772e64697261632e72756e2f7374617469632f696d616765732f6d756c7469706c655f656469742e706e67
Dirac is an open-source coding agent that improves accuracy and reduces costs by 64.8% with tightly curated context. It achieves 100% accuracy on complex refactoring tasks at a fraction of the cost of other leading agents.

Magic by Return of Post: How Mail Order Delivered the Occult

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The rise of mail-order magic in the US at the turn of the 20th century was fueled by improvements in postal networks and the emergence of a colossal mail-order industry. This led to the proliferation of occult correspondence courses that offered spiritual knowledge and self-help, often with a focus on rational self-improvement and Stoic self-regulation.

Pgbackrest is no longer being maintained

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pgBackRest is a reliable PostgreSQL backup and restore solution that scales up to large databases and workloads. It supports parallel processing, compression, and block-level backups for efficient data storage and retrieval.

Adding a team was the wrong strategic decision

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The Engineering Manager created a new CX team to improve customer experience, but it didn't align with the existing tribe's challenges and structure. The team's dashboard wasn't used by CX, but instead by the product manager.

Decoupled DiLoCo: Resilient, Distributed AI Training at Scale

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Decoupled DiLoCo is a new AI training architecture that allows for flexible and resilient training across globally distributed data centers. It achieves this by dividing training runs into decoupled "islands" of compute with asynchronous data flow, reducing communication delays and hardware failures.
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The DSPi transforms a Raspberry Pi Pico into a digital audio processor with features like room correction, active crossovers, and parametric EQ. It acts as a USB sound card with onboard DSP engine.

US Supreme Court reviews police use of cell location data

A geofence warrant was used to catch a suspect in a 2019 bank robbery, but critics say it violates the Constitution and puts personal data at risk. The Supreme Court will examine the use of geofence warrants in a case involving a Jamaican immigrant's conviction.

FDA approves first gene therapy for treatment of genetic hearing loss

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United Wizards of the Coast

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Arena workers unionize as United Wizards of the Coast - CWA, seeking better treatment and working conditions. They call on WOTC leadership to voluntarily recognize the union and engage in collective bargaining.

Our principles

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OpenAI aims to democratize AI, empowering people to achieve their goals and live more fulfilling lives. They prioritize minimizing harm, promoting resilience, and adapting to an uncertain future to ensure AI benefits all of humanity.

Flipdiscs

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The user built a large interactive wall art using flipdiscs, a display type that utilizes electromagnetic pulses to flip small discs between two colors, and paired it with an Nvidia Orin Nano for processing power. The user created a library for using flipdisc screens in Node.js and built a reliable interface for the display using an expo app, allowing users to control and customize the display.

Supreme Court to hear arguments in landmark Roundup weedkiller case

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Show HN: Utilyze – an open source GPU monitoring tool more accurate than nvtop

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The world is facing an AI compute crisis due to rising electricity demand, long lead times for GPUs, and increasing rental contract pricing, making optimization a top priority for enterprises. A new tool called Utilyze measures true GPU utilization by tracking actual compute throughput and memory bandwidth, providing accurate and real-time insights to help identify performance bottlenecks and ...

Quarkdown – Markdown with Superpowers

https://quarkdown.com/_astro/no-boilerplate.SaDlAnd3_Z16VNJW.webp
No boilerplate Versatile Whether you are writing a research paper, a quick report, a company-wide wiki, class notes, or preparing interactive slides for your next talk, there's only one line you need.

Den stora Älgvandringen – The great moose migration (live)

https://www.svtstatic.se/image/custom/1144/54091618/1777080936?format=auto&chromaSubSampling=false&enableAvif=true&quality=85
lgarna vandrar samma leder i tusen år för att nå rika betesmarker. Följ årets åttonde säsong av älgvandringen på SVT Play.

GitHub is having issues now

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Subscribe to GitHub status updates via email and/or text message for degraded search and service disruptions. Check GitHub Enterprise Cloud status by region at specific URLs.