SMPTE Makes Its Standards Freely Accessible

https://www.smpte.org/hubfs/Oliver%20Barnicj.png
SMPTE has made its entire Standards catalog freely available to the global media technology community. This move aims to accelerate adoption and implementation, strengthen interoperability, and drive innovation in the industry.

UK Home Office launches £75M 'PoliceAI' to capitalise on artificial intelligence

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The Home Office has launched a national centre for AI in policing, now named PoliceAI, with £75m funding to identify and scale AI tools for policing in England and Wales. PoliceAI will focus on freeing up police time, tackling tool theft and retail crime, and returning stolen property to victims.

PostgresBench: A Reproducible Benchmark for Postgres Services

https://clickhouse.com/uploads/Clean_Shot_2026_04_02_at_12_04_50_54c3552a58.png
A benchmark was created to compare Postgres performance across various services, including AWS RDS, Aurora, and others, using a TPC-B-like workload. The results show that Postgres managed by ClickHouse outperforms others due to its NVMe-backed storage and architecture.

UHF X11: X11 Built for VisionOS and Apple Vision Pro

https://www.lispm.net/apps/uhf-x11/screenshot_1.jpeg
visionOS receives X11 calls from clients and vintage machines, opening each top-level window separately. X authority cookies are generated on device and copied to clients for secure connections.

The Wholesale Plagiarism of Obscure Sorrows

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A marketing agency, Qontour, created an unauthorized website for The Dictionary of Obscure Sorrows, using AI-generated content and monetizing it with affiliate links. The site outranks the official site in search results, causing confusion over its authorship and potentially damaging the book's reputation.

DOS Game "F-15 Strike Eagle II" reversing project needs DOS test pilots

The F-15 Strike Eagle 2 reconstruction project has made significant progress, with all C code rewritten and data moved from assembly to C. The project is now open for testing and bug reporting, with the latest release v0.9.1 available for download.

CSSQuake

https://cssquake.com/assets/cssquake-social.webp
Play Quake in your browser with no install. cssQuake renders the game as inspectable HTML and CSS powered by PolyCSS.

Show HN: StartupWiki – A Free Alternative to Crunchbase

Show HN: Make PDFs look scanned (CLI or in the browser via WASM)

https://private-user-images.githubusercontent.com/98480250/610801884-9653fd3b-3abe-4427-ad82-03a78d4429b5.jpg?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.WxNJR48ZCYJSbvXj5iJ3mPwK7zk3Kkegj1CJA4TuQME
make-look-scanned is a CLI and browser tool that degrades PDFs to look like physical scans. It uses Go and a C toolchain for the CLI and PDF.js for the browser build, both with AGPL-3.0 licenses.

Bun has an open PR adding shared-memory threads to JavaScriptCore

https://opengraph.githubassets.com/7f905d915e01398962324a4ff1a6bc9365bc7bf50f9fc7b84d05a365c338aae7/oven-sh/WebKit/pull/249
What this is Shared-memory threads for JavaScriptCore. new Thread(fn) runs fn on another thread, in the same heap, with the same objects. No structured clone, no message passing, no SharedArrayBuff...

The rise of South Korea’s weapons business

South Korea's defense industry has grown rapidly, becoming the 9th-largest arms exporter in the world, with a projected combined revenue of $37 billion in 2026. The country's emphasis on speed, affordability, and technology transfer has made it a reliable alternative supplier to European NATO members.

Temporary Cloudflare accounts for AI agents

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Cloudflare updated Wrangler to allow agents to deploy code without signing up for an account. Agents can now use the --temporary flag to deploy code instantly, with a 60-minute claim window to make the account permanent.

Show HN: We post-trained a model that pen tests instead of refusing

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Argusred is a free security scanner that runs locally on your machine, scanning your code for vulnerabilities and attempting safe reproductions of findings with exploit verification. It offers a free trial with 2M tokens, and scans can be run in two modes: Security Scan and Pen Test, with the latter requiring booking and authorisation.

Why has the pointe shoe been so resistant to change?

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Pointe shoes have evolved over the past few decades with small adjustments and some manufacturers incorporating 21st-century technologies. Despite innovation, traditional aesthetics and limited financial resources hinder widespread adoption of new designs.

Now You Don't: When Espionage Meets Magic

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Magicians and spies have a long history of deception and illusion, with some magicians like Robert-Houdin and Jasper Maskelyne working with governments to create deceptions. Modern espionage often uses propaganda techniques and social media manipulation, rather than traditional magic tricks, to shape public opinion and influence behavior.

Ember, a native iOS Hacker News reader I built around accessibility

https://opengraph.githubassets.com/0ab2cccf8e00b49101cca827400542b6e2094a901f3f4f39f5cfaedba3d625d4/DatanoiseTV/ember-hackernews
Ember is a native iOS app for Hacker News with threaded comments, dark mode, and accessibility features. It uses a custom parser for comment HTML and fetches full comment trees from Algolia in one request.

Show HN: Tiny – An interpeted dynamic langauge with inline Go native functions

https://raw.githubusercontent.com/confh/Tiny/master/examples/tiny.png
Tiny is a concurrent language with a runtime system that compiles to bytecode and runs on a virtual machine. It features a multi-tiered execution model, direct OS-level parallel threading, and a built-in Language Server.

Show HN: Microcrad – Micrograd Reimplemented in C

https://opengraph.githubassets.com/d12347522051a7e67c32c233e25ff61babe13309f9a48a9d5f7103883113153e/oraziorillo/microcrad
microcrad is a C re-implementation of Andrej Karpathy's micrograd, providing a tiny scalar-valued automatic differentiation engine with a small neural network implementation. It uses reference counting for memory management and supports a feed-forward network with a ReLU activation function.

Vacation With An Artist – Mini-Apprenticeships with Artists in Their Studios

https://vawaa.imgix.net/attachments/uploads/184/original/DSC00431_960x540.jpg?auto=format&w=480&h=480&fit=crop&crop=faces
VAWAA is a mini-apprenticeship with a curated master artist or craftsman, tailored to your skill level. How it Works Whether it’s honing a passion or getting fresh inspiration, we see travel as an opportunity to grow. Read guest stories

The ability to regrow body parts is dormant in mammals, not lost

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Scientists have found a way to redirect the body's healing response to regrow lost body parts in mammals. A two-step treatment using growth factors FGF2 and BMP2 successfully restored bone, joints, and ligaments in animal studies.

Unauthorized alert sent to cell phones across Brazil

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An unauthorized alert bearing a mysterious message that was sent to cell phones in several states across Brazil on Saturday morning is suspected to be the work of hackers, the Brazilian government said. Devices lit up with the word “misantropi4,” an alphanumeric spelling of the Portuguese word “misantropia,” which in English translates to “misanthropy.” The final letter “a” was substituted ...

AMD will reinstate memory encryption on Ryzen 9000 CPUs via BIOS update in July

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AMD is reinstating Transparent Secure Memory Encryption (TSME) on desktop Ryzen 9000 processors in July due to community feedback. TSME is a firmware-level encryption feature protecting against cold boot attacks with physical access.

Show HN: My Windows XP portfolio with working Game Boy and iPod

https://mitchivin.com/assets/gui/bgs/bliss.webp
Skip to desktop applications Skip to start menu After you log on, the system's yours to explore. Every detail has been designed with a purpose. Tap on the user icon to begin

Where to Find the Colors Your Screen Can't Show You

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The colors that exist in the real world but can't be shown on digital screens are mostly cyans, which are poorly reproduced by screens and LED lighting, but can be seen in nature, particularly in forests, water, and bird feathers. These colors are often created by natural processes that filter light, such as repeated reflections and transmissions through leaves and water, or by the physical ...

Web Browsers on PDAS

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Personal digital assistants (PDAs) gained internet access in the 90s, with early browsers like PocketWeb and Palmscape supporting limited web standards. As technology improved, full-fledged browsers like Opera, NetFront, and Firefox were developed for PDAs, but the rise of smartphones eventually led to the decline of the PDA market.

Bootimus – A Self-Contained PXE and HTTP Boot Server

Bootimus is a self-contained PXE and HTTP boot server in one binary with zero config. It automatically detects 50+ distros and supports token auth, LDAP/AD backend, and local accounts.

Inference cost at scale with napkin math

If you serve AI models as a part of your product stack, you've likely wondered what kind of scale your GPU cluster tops out at. With some rudimentary knowledge about your hardware and model architecture, we can work out the dollar cost-per-user on the back of a napkin1. If you're comfortable reasoning about GPUs and/or LLMs, use this legend to skip to sections of relevance: Peak ...

I Stored a Website in a Favicon

A favicon can be used for steganography by hiding data in its pixels, which the browser interprets as colors. This allows storing small amounts of data, like HTML, in a tiny image.
Microsoft's new Media Player for Windows 11 uses more memory and has slower startup times compared to the classic player. It also hides some popular codecs behind paywalls, prompting users to consider alternative players like VLC.

Linux Eliminates the Strncpy API After Six Years of Work, 360 Patches

Linux 7.2 has finally eliminated the strncpy API from the Linux kernel. The strncpy() function for copying up to a specified number of bytes has long been deprecated and after six years of work and hundreds of patches, no more users of the strncpy interface within the Linux kernel remained that it has now been eliminated. The strncpy function within the Linux kernel has been a "persistent ...