SMPTE Makes Its Standards Freely Accessible

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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.

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.

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.

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.

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...

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: 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.

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.

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.

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.

Why has the pointe shoe been so resistant to change?

https://dancemagazine.com/wp-content/uploads/2026/04/Laubacher_Headshot-150x150.jpg
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.

PostgresBench: A Reproducible Benchmark for Postgres Services

https://clickhouse.com/uploads/Clean_Shot_2026_04_02_at_12_04_50_54c3552a58.png
For years, we have focused on building fast systems. ClickHouse is an example of that focus. Performance is not a feature we add later. It is a core design goal from the start. We applied a similar approach when building our managed Postgres service. The result is offering one of the fastest managed Postgres services to our customers. Postgres handles transactional workloads, while ClickHouse ...

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 programming language and runtime system. It compiles source files into compact, stack-based bytecode instructions (.tbc) which run on a highly optimized virtual machine using slot-based local storage. The runtime engine features a multi-tiered execution model: an efficient interpreter for general logic and a Just-In-Time (JIT) compiler for performance-critical code. Key ...

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.

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

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.

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 ...

Ask HN: Due to spam on GitHub, what platforms can I move my projects?

You're experiencing spam on GitHub and want to move to a platform like sourcehut.org that's more community-focused and resistant to scraping. You're also looking for a lightweight, web-based git replacement for self-hosting.

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.

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.
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.

S‑CURVES a field guide to technology adoption · 1825–2026

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Two hundred years of technology adoption follows one shape: the S-curve. Every curve was called a fad, from railroads to AI. When each went vertical, why, who called it a bubble, and what actually happened.

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.

Mencius (2016)

The Mencius is a Classical Chinese philosophical text that profoundly influenced traditional Chinese culture, written by Mencius, a renowned Confucian teacher, around 300 BCE. The text reflects Mencius's restorationist goal to revive the ideal past of the Zhou Dynasty, which was seen as a time of peace and unity.

VPN ban update for UK households as government looks at 'age-gate'

Request blocked. We can't connect to the server for this app or website at this time. There might be too much traffic or a configuration error. Try again later, or contact the app or website owner. If you provide content to customers through CloudFront, you can find steps to troubleshoot and help prevent this error by reviewing the CloudFront documentation.

From PGP to Mythos: a brief history of export controls that didn't stop anyone

https://techcrunch.com/wp-content/uploads/2026/06/donald-trump-open-mouth.jpg?w=1024
The US government has banned Anthropic's AI model Mythos due to concerns it could be accessed by a South Korean telecom with suspected ties to China and a potential "jailbreak" by Amazon researchers. The ban is part of a long-standing effort to control the export of dual-use cyber technologies, but past experiences suggest this approach may not be effective in preventing malicious use.