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.

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

https://moultano.wordpress.com/wp-content/uploads/2026/06/pxl_20260509_0046574427e2_20260618192953.jpg
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 ...

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.

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.

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

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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.

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.

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.

Hey, n00b, we didn't hire you to complete tasks

https://substackcdn.com/image/fetch/$s_!hzhP!,f_auto,q_auto:best,fl_progressive:steep/https%3A%2F%2Ftidyfirst.substack.com%2Ftwitter%2Fsubscribe-card.jpg%3Fv%3D-1150222451%26version%3D9
To be considered a successful engineer, focus on completing tasks in a reasonable time and not causing others excessive work. To stand out, learn from each task, make a case for not doing it, and implement efficient solutions that benefit others.

Temporary Cloudflare accounts for AI agents

https://cf-assets.www.cloudflare.com/zkvhlag99gkb/TaeUUpmHSgKNA48R3gp9q/71645cfc910b9f32689980930010913d/image1.png
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.

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.

Show HN: StartupWiki – A Free Alternative to Crunchbase

StartupWiki is a community-driven AI-powered research directory of global startup ventures. Explore AI, Biotech, CleanTech, FinTech and more.

LLMs Are Complicated Now

https://i0.wp.com/ianbarber.blog/wp-content/uploads/2026/06/Screenshot-2026-06-19-at-8.56.02-AM.png?resize=1024%2C598&ssl=1
Meta1's machine learning work evolved from simple Transformer modules to complex models with various attention variants. Designing for composability is key to exploring new architectures without significant performance impact.

Satellite reveals immense scale of GPS signal tampering

https://cdn.mos.cms.futurecdn.net/sEoeyvUbZCESaRbMwNXGPi.jpg
An experimental satellite has mapped GPS jamming across Europe and the Middle East from space, revealing widespread signal degradation. The data suggests that satellites in low Earth orbit are vulnerable to jamming, affecting their performance and safety.

Pre-2022 Books

https://notes.lorenzogravina.com/musings/pre-2022-books-og-image.webp
You prefer books published before 2022 due to the manual effort involved in their creation, giving them more weight and credibility. This preference stems from valuing the human touch and effort that went into producing these works.

Turns Out, There Is a Cabal of Elite Crazies Trying to Control the World

https://hips.hearstapps.com/hmg-prod/images/c4070c12-0860-40f7-9876-5044019be5f9.jpeg?crop=0.75009201325xw:1xh;center,top&resize=640:*
Dialog, a secret group led by Peter Thiel, has a 2026 retreat with 222 attendees including high-ranking officials and business leaders. The group's focus is on AI, longevity, and the near future, with some predicting societal degeneration and mass labor displacement.

Renting a sewing machine from the library

https://ichef.bbci.co.uk/images/ic/480xn/p0nssr23.jpg.webp
Finland's libraries are thriving as community service centers, offering more than just books, and promoting social inclusion and democracy. They are valued for their role in helping societies function, with over 700 libraries serving Finland's 5.6 million people.

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.

Ubisoft co-founder Claude Guillemot has died in a plane crash

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How to feed a dictator

https://i.guim.co.uk/img/media/0ed8559522c9ed9fabf818aa02bc62d8942b35f8/0_0_1920_1080/master/1920.jpg?width=445&dpr=1&s=none&crop=none
A documentary film, How to Feed a Dictator, explores the lives of five private chefs who served notorious dictators, revealing the moral complexities of their experiences. The film highlights the chefs' deep trust in their dictators, which also ensured their distance from the outside world.

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.

Loupe – A iOS app that raises awareness about what native apps can see

https://raw.githubusercontent.com/mysk-research/loupe/main/docs/images/loupe-icon.png
Loupe is an iOS app that shows device fingerprinting data from public APIs, helping users see what apps can quietly learn about their device. It's free and open source, with a Mac version in development.

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().

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.

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.

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

https://opengraph.githubassets.com/7f905d915e01398962324a4ff1a6bc9365bc7bf50f9fc7b84d05a365c338aae7/oven-sh/WebKit/pull/249
The batch cannot be applied due to multiple invalid suggestions. Suggestions cannot be applied in certain situations such as deleted lines, pending reviews, and queued pull requests.

Lithuanian startup launches open-source network to detect Shahed-type drones

https://www.lrt.lt/img/2026/05/25/2398157-937080-1287x836.jpg
A startup and activists launched an open-source drone detection system using volunteers' phones to identify low-frequency drone signatures. The system aims to recruit 10,000 users and expand across the Baltic states and Poland.

Show HN: TownSquare, a tiny presence layer for websites

https://townsquare.cauenapier.com/screenshots/5.png
TownSquare is a web platform where users can interact without accounts or algorithms, sharing a virtual space. It features simple controls for movement, chat, and social interactions, creating a fun and playful online experience.

Supermarket giant Tesco sues VMware for breach of contract (2025)

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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.

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.

Slow breathing modulates brain function and risk behavior

Prolonged exhalation breathing can increase cardiac parasympathetic activity, leading to enhanced reward sensitivity and increased risky choices. This effect is associated with changes in brain activity in regions involved in reward processing, such as the ventromedial prefrontal cortex and precuneus.

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.

The European Social Stack

https://european.social/media/pages/home/aafab2fc44-1781623703/matrix.svg
Europe is building a diverse and resilient information infrastructure to protect citizens from social media interference and promote European jobs and revenue. We are creating a decentralized social network ecosystem based on open European platforms and protocols like Fediverse and Atmosphere.

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.

Epoll vs. io_uring in Linux

The user discusses the differences between epoll and io_uring for handling asynchronous I/O on Linux, highlighting io_uring's efficiency and reduced syscall overhead. io_uring is recommended for modern Linux projects due to its improved performance and architectural changes.

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.

Show HN: 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.

Tesla allegedly in autopilot mode crashes into Texas house, woman killed

https://i.abcnewsfe.com/a/7225a3d7-c4ff-452b-ae4b-215f726e15c8/tesla-crash-main-ht-jt-260620_1781974062409_hpMain_16x9.jpg?w=992
A Tesla driver in self-driving mode crashed into a Texas house, killing a woman inside. The driver, Michael Butler, was injured but showed no signs of intoxication and is cooperating with investigators.

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.

US Scientist John Jumper to Leave Google DeepMind for Anthropic

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Alice is impatient

You're measuring time in requests or outages, but users like Alice and Alex experience time in seconds and minutes, leading to a discrepancy in perceived wait times. This is due to the inspection paradox, where users experience a time-weighted version of the latency distribution, resulting in a higher mean time to recovery than the actual MTTR.

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

A record 242 US cities now have starter homes that cost $1M

https://mmx.prnewswire.com/media/MS1864147/2026_Million_Dollar_Starter_Home_Cities_Map.jpg?id=OA2704697
The number of cities with $1 million starter homes has nearly tripled since 2020, with 242 cities now having such homes, mainly in California, New York, and New Jersey. The pandemic housing boom has driven up home values, but conditions are slowly becoming friendlier for buyers with more inventory and slower price growth.

Big Tech is stoking unrest in the UK. Why?

The following information can help our support team to resolve this issue.

Big Tech is borrowing like never before

https://startupfortune.com/wp-content/uploads/2026/06/sf-14164-1781968836385.jpg
Big Tech companies are increasingly relying on debt to fund their AI buildouts, with Nvidia's $25 billion bond sale being a notable example. This shift from cash-flow to bond-market financing raises concerns about the companies' risk profiles and sensitivity to interest rates.

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

https://mitchivin.com/assets/gui/bgs/bliss.webp
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

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.

16-year-old SATA II SSD survives 1 petabyte of writes, 25x the drive's rating

https://cdn.mos.cms.futurecdn.net/z53fPgXjpKHTpeGv3RHpqj.png
An SSD's TBW rating is a guideline for warranty coverage, not a definitive indicator of failure. Exceeding the TBW rating doesn't mean immediate failure, but rather gradual degradation in reliability over time.

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.

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.

A Love Story

https://pudding.cool/2026/06/love-story/assets/love_charts/dynamics.svg
A Stanford University study found that couples in excellent relationships were more likely to have their relationships improve during the pandemic, with mutual agreement on safety measures being a key factor. The study suggests that modern relationships require too much from partners, leading to tension and isolation, but also highlights the importance of shared meaning and mutual support in ...

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.

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.

I solved my mystery fatigue with AI

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The author, a patient with a prolactinoma, used AI to track symptoms, run tests, and analyze data to diagnose and manage their condition. They developed a four-step process to use AI for health, including tracking, testing, and analyzing data.

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

https://www.publictechnology.net/wp-content/uploads/2024/09/police-4566193-scaled.jpg
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.

Systemd 261 released with systemd-sysinstall, IMDSD, and storagectl

Systemd 261 is released with new features including IMDS, storagectl, and systemd-sysinstall. It also adds support for Live Update Orchestrator and Kernel Handover.

Designing a backyard deck for my house

https://blog.cosmin.cloud/posts/diy-deck/01_attached_view_full.webp
The user designed and built a backyard deck for their house, creating 9 detailed drawings to obtain a building permit and following local building codes. The project took 10 months to complete, with the user learning and adapting as they went, and the deck has held up well over the past 9 years with proper maintenance.

Pong in S Favicon

A full game of Pong is playing in this tab's icon. Scroll up and down to move your paddle. The score is in the tab title. Self-tests (run live, in your browser)

Cargo-Geiger

https://user-images.githubusercontent.com/3704611/53132247-845f7080-356f-11e9-9c76-a9498d4a744b.png
cargo-geiger is a tool that lists unsafe Rust code usage statistics in crates and dependencies. It does not advise on code security, only providing usage data.

XLibre XServer 25.2.0 Released

https://opengraph.githubassets.com/c41f100895a3e4058106b7d5bce0eee2fa750739668df6e2c72895c0528085d3/X11Libre/xserver
We released Xorg 25.2.0 with significant improvements including glamor_egl refactoring, kdrive enhancements, and bug fixes. The release also includes various new features, command-line arguments, and porting to GBM bo wrapper.

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.

Cirrus: ATProto Personal Data Server That Runs on Cloudflare Workers

https://opengraph.githubassets.com/9bfa6c54aed508d7e16b2c3a90e7b888dc08ce5035197ca2030ddf09bb0d50d4/ascorbic/cirrus
A Personal Data Store (PDS) on Bluesky provides independence from platform changes and network resilience through a diverse ecosystem of PDS providers. It runs at the edge with automatic scaling and pay-per-use pricing.

Sogen Kato

https://upload.wikimedia.org/wikipedia/commons/thumb/1/19/SogenKatoHome.svg/330px-SogenKatoHome.svg.png
Sogen Kato, a Japanese man, was found mummified in his home in 2010, with relatives suspected of fraudulently claiming his pension. His discovery led to a nationwide investigation revealing poor recordkeeping and many elderly Japanese citizens living in solitude or being forgotten.

Stop calling the Super Productionizer a 'baby blender' – Frank Elavsky

https://www.frank.computer/images/default.png
The author defends the Super Productionizer (SP) by arguing it increases productivity and efficiency, and that subatomic-emulsification is a natural process already occurring in the human body. They dismiss critics as uninformed and claim SP is a necessary tool for a productive society.

"Career coaches" are fear-farming the Stanford AI hiring study [debunk]

https://framerusercontent.com/images/jV8lZ0S19jad0evLPtbxI2jo2oE.png?lossless=1&width=2000&height=1414
The Stanford hiring study on pymetrics found that the tool is biased and unvalidated, reproducing the makeup of the existing workforce, but its findings were misinterpreted and exaggerated in the media. The study's authors admit to its limitations, including the lack of evidence that pymetrics predicts job performance, and recommend auditing each position separately, not the company average, ...

New (Old) 3D Golf: Porting PC-9801 and Virtual Boy to Mega Drive

https://cdn.gingerbeardman.com/images/posts/new-old-golf-polysyscad.jpg
The author reverse engineered the 3D golf game New 3D Golf Simulation series and created a viewer to display the game's terrain and flyby data. They also added a custom user interface and modified the game to load courses from other platforms.

Big Tech is stoking unrest in the UK. Why?

The following information can help our support team to resolve this issue.

Google display wrong flags for world cup 2026

Google's match card widget for the 2026 World Cup shows incorrect flags for Norway and England. The errors likely stem from data mismatches or mapping issues with third-party providers or Google's Knowledge Graph.

We built a lab to evaluate data agents – Hex

https://cdn.sanity.io/images/e92memrj/production/f3be77f72d4e71b831f882106b013f4690027f24-1680x1040.png?w=1680&auto=format
Hex built a custom evaluation tool called Shoebox to assess data agents, which is a complex task due to the nuances of real-world data. The tool allows for flexible and efficient evaluation, but requires careful maintenance and integration with the core product.