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.

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.

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.

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.

The Wholesale Plagiarism of Obscure Sorrows

https://waxy.org/wp-content/uploads/2026/06/image-4-1024x700.png
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.

Unauthorized alert sent to cell phones across Brazil

https://media.cnn.com/api/v1/images/stellar/prod/gettyimages-2266619363.jpg?c=original&q=w_860,c_fill
Unauthorized alert with "misantropi4" message sent to cell phones in Brazil, suspected to be a hacker attack. Brazilian government is investigating the incident and restoring the National Civil Defense's warning platform.

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

Inference cost at scale with napkin math

To estimate the cost of serving AI models, we calculate the dollar cost-per-user based on GPU cluster scale, model architecture, and inference math. With a 32B model on a B200 GPU, we can serve 300 users comfortably, with a lifetime cost of $133 per user or $0.013 per user per hour.

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...

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.

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.

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

Linux 7.2 has eliminated the deprecated strncpy API due to bugs and performance issues. It has been replaced with alternative functions like strscpy() and memcpy().

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: 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.

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.

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.

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.

Coding a Brick Tower [video]

Supermarket giant Tesco sues VMware for breach of contract

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Tesco sued Broadcom for breach of contract over VMware licenses, claiming it must pay excessive prices for software updates. Tesco warns that lack of support may impact its ability to supply groceries in the UK and Ireland.

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

https://www.sciencedaily.com/images/1920/human-regeneration.webp
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.

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

https://cdn.mos.cms.futurecdn.net/Xh2MupWrRjJPiLLuopmKRB.jpg
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.

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

Dallas Fed: 30% of housing cost increase driven by unauthorized immigration [pdf]

The study examines the effects of unauthorized immigration on local labor and housing markets in the US from 2021 to 2024, finding that it increased local employment and house prices without significant declines in wages. The study also finds that unauthorized immigration reduced government transfers and labor income per capita, with the effects varying across local markets and industries.

Web Browsers on PDAS

https://vale.rocks/assets/og/post.webp
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.

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

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.

Seeing the world in radio waves with the QuadRF

https://hackaday.com/wp-content/uploads/2026/06/quadrf_drone_demo.png?w=800
The QuadRF project is a phase-coherent four-channel SDR that makes direction mapping easy by using a Raspberry Pi and a custom RF board with four patch antennas. It can track radio signals and visualize them on a spatial plot, even distinguishing multiple transmitters.