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The article describes a user script that hides YouTube Shorts from the user interface, allowing for a cleaner and more focused browsing experience on the platform.

ooh.directory is an online directory that provides listings and information about out-of-home (OOH) advertising opportunities, including billboards, digital displays, and other outdoor media formats across different geographic regions.

News publishers are restricting access to the Internet Archive due to concerns about AI systems scraping content for use in language models. This move aims to maintain control over how their content is used and prevent unauthorized access by AI models.

The article discusses how social media platforms have been accused of helping the Department of Homeland Security (DHS) censor critics of U.S. Immigration and Customs Enforcement (ICE), with advocates saying platforms have 'bent over backward' to assist the government in removing such content.

Hey HN, we built Threat Radar (https://radar.offseq.com) – a real-time threat intelligence platform that aggregates data from sources like CISA, CIRCL, ThreatFox, and others into a single live dashboard. The core idea: threat intel is fragmented across dozens of feeds and often locked behind expensive enterprise tools. We wanted something that gives security teams (and curious individuals) an immediate, visual picture of what's happening right now. What it does:

Live dashboard with severity distribution across ~63k tracked threats (critical, high, medium, low) Interactive heat map showing geographic threat concentration, with a European focus Real-time threat feed with search, filtering by CVE, type, severity, country, and tags Timeline view for trend analysis with custom date ranges 100% AI enrichment – every threat entry gets contextualized analysis, impact assessment, and actionable recommendations Community submissions – anyone can submit incident reports or vulnerability write-ups for AI triage API + integrations (webhooks, Slack, email alerts, SIEM/MISP routing) for automation

The free tier gives you full access to the dashboard, threat database, map, and feeds. The lifetime upgrade unlocks custom feeds, automations, and API access for piping data into your own security stack. We're a small team based in Riga, Latvia. Would love feedback from the HN security community – what feeds or features would make this more useful for your workflow?

I made a chess engine today, and made it fit within 2KB. I used a variant of MinMax called Negamax, with alpha beta pruning. For the board representation I have used a 120-cell "mailbox". I managed to squeeze in checkmate/stalemate in there, after trimming out some edge cases.

I am a great fan of demoscene (computer art subculture) since middle school, and hence it was a ritual i had to perform.

For estimating the Elo, I measured 240 automated games against Stockfish Elo levels (1320 to 1600) under fixed depth-5 and some constrained rules, using equal color distribution.

Then converted pooled win/draw/loss scores to Elo through some standard logistic formula with binomial 95% confidence interval.

The article warns about fake 7-Zip downloads that install malware, turning home PCs into proxy nodes that can be used for malicious activities. It advises users to only download software from the official website and be cautious of suspicious links or downloads.

The U.S. Department of Homeland Security has reportedly issued hundreds of subpoenas to identify and potentially prosecute individuals who have criticized the Immigration and Customs Enforcement (ICE) agency online, raising concerns about free speech and government overreach.

The article discusses 'Ack', a universal cross-platform programming language that aims to be a replacement for C and C++. It provides a thorough overview of the language's features, design goals, and development progress.

The article discusses the development of Gemini 3, the third mission in NASA's Gemini program, and the challenges faced by the astronauts and the mission control team in overcoming technical issues and completing the planned objectives.

Hey HN! I was a long-time Arc browser user and loved how its sidebar organized tabs and bookmarks into workspaces. I wanted to switch to other browsers without losing that workflow. So I built Arcmark, it's a macOS bookmark manager (Swift/AppKit) that floats as a sidebar attached to any browser window. It uses macOS accessibility API to follow the browser window around.

You get workspace-based links/bookmarks organization with nested folders, drag-and-drop reordering, and custom workspace colors. For the most part I tried replicating Arc's sidebar UX as close as possible.

1. Local-first: all data lives in a single JSON file ( ~/Library/Application Support/Arcmark/data.json). No accounts, no cloud sync.

2. Works with any browser: Chrome, Safari, Brave, Arc, etc. Or use it standalone as a bookmark manager with a regular window.

3. Import pinned tab and spaces from Arc: it parses Arc's StorableSidebar.json to recreate the exact workspace/folder structure.

4. Built with swift-bundler rather than Xcode.

There's a demo video in the README showing the sidebar attachment in action. The DMG is available on the releases page (macOS 13+), or you can build from source.

This is v0.1.0 so it's a very early version. Would appreciate any feedback or thoughts

GitHub: https://github.com/Geek-1001/arcmark

A study found that audiophiles could not distinguish audio signals sent through copper wire, a banana, or wet mud, suggesting that the perceived quality differences in audio equipment may be largely subjective and not based on measurable differences in sound quality.

The article discusses the growing number of U.S. students taking gap years before starting college, with many citing mental health and financial concerns as reasons for the trend. It explores the potential benefits and drawbacks of gap years, as well as the impact on college enrollment and graduation rates.

Dune2JS is an open-source JavaScript-based recreation of the classic real-time strategy game Dune II, aiming to provide a faithful adaptation of the original game mechanics and gameplay within a modern web-based environment.

Verizon is requiring customers to wait 35 days before unlocking their fully paid-off phones, even though the company's policy previously allowed for unlocking after the device was paid off. This change in policy has been criticized as unfairly locking customers into Verizon's network.

Your phone has a GPU more powerful than most 2018 laptops. Right now it sits idle while you pay monthly subscriptions to run AI on someone else's server, sending your conversations, your photos, your voice to companies whose privacy policy you've never read. Off Grid is an open-source app that puts that hardware to work. Text generation, image generation, vision AI, voice transcription — all running on your phone, all offline, nothing ever uploaded.

That means you can use AI on a flight with no wifi. In a country with internet censorship. In a hospital where cloud services are a compliance nightmare. Or just because you'd rather not have your journal entries sitting in someone's training data.

The tech: llama.cpp for text (15-30 tok/s, any GGUF model), Stable Diffusion for images (5-10s on Snapdragon NPU), Whisper for voice, SmolVLM/Qwen3-VL for vision. Hardware-accelerated on both Android (QNN, OpenCL) and iOS (Core ML, ANE, Metal).

MIT licensed. Android APK on GitHub Releases. Build from source for iOS.

This article discusses agent-oriented API design patterns, drawing lessons from the Moltbook protocol. It explores how agent-based architectures can be applied to API design, highlighting key principles and patterns that can improve scalability, flexibility, and resilience in API-driven systems.

As men age, they can lose their Y chromosome, which was previously thought to be inconsequential. However, recent research suggests that the loss of the Y chromosome may be associated with an increased risk of certain health conditions, such as cancer and Alzheimer's disease.

Microsoft plans to develop its own large language model to replace the OpenAI ChatGPT, as OpenAI continues to seek funding from major tech companies. This move signals Microsoft's efforts to reduce its reliance on third-party AI providers and develop its own in-house AI capabilities.

Hi HN,

I am a 75-year-old former fishmonger from Japan. Currently, I work at the compensation desk for the Fukushima nuclear disaster (TEPCO). Witnessing deep social divisions and the limitations of bureaucracy firsthand, I realized we need a new way for people to express their will without being "disposable."

To address this, I’ve designed the *Virtual Protest Protocol (VPP)*. It’s an OSS framework for large-scale, 2D avatar-based digital demonstrations. I recently shared this with the *Open Technology Fund (OTF)* and received an encouraging "This is great" response. Now, I am looking for the HN community's expertise to turn this spec into a reality.

*The Concept:* * *Beyond Yes/No (Avoiding Polarization):* Introducing an *"Observe"* status. Modern social media forces people into binary "For or Against" camps, deepening social division. VPP allows the silent majority to participate by simply "being there," visualizing the scale of public concern without forcing a polarized stance. * *Cell-Based Scaling:* To handle thousands of participants, avatars are managed in "cells" of 50 units. New cells instantiate as the crowd grows, ensuring compatibility with low-spec devices and low-bandwidth environments. * *Privacy by Design:* We only collect anonymous attributes (age/gender/region). All event-specific data is wiped immediately after the demonstration. * *OIN Membership:* We have joined the [Open Invention Network (OIN)](https://openinventionnetwork.com) to ensure this remains a patent-free global public good.

*Why I’m doing this:* At 75, I belong to the generation that will soon "retire" from society. I feel a deep sense of responsibility to leave a better infrastructure for the next generation?one that isn't burdened by the financial and social "debt" we've accumulated. I am not looking for personal gain; I want this to be a sustainable, global infrastructure.

*GitHub:* https://github.com/voice-of-japan/Virtual-Protest-Protocol/b... *Project Site:* https://voice-of-japan.net

We are looking for collaborators with expertise in: * Scalable Web Architecture (Node.js, Go, etc.) * High-performance Canvas/WebGL rendering * AI-based real-time moderation (LLM integration)