Show HN: Moongate – Ultima Online server emulator in .NET 10 with Lua scripting

https://raw.githubusercontent.com/moongate-community/moongatev2/main/images/moongate_logo.png
Moongate v2 is a modern Ultima Online server project built with .NET 10, aiming for a clean, modular architecture with strong packet tooling and deterministic game-loop processing. The project is open to contributors and welcomes pull requests with changes, following the project's coding standards and including tests, and is licensed under the GNU General Public License v3.0.

Tech employment now significantly worse than the 2008 or 2020 recessions

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Open Camera is a FOSS Camera App for Android

Open Camera is a free, open-source Android camera app with manual controls and features like geotagging and RAW file support. It requires Android 5.0 or later and uses Google's Material Design icons under Apache license.

CT Scans of Health Wearables

https://cdn.prod.website-files.com/63e15418201b6e2a5cabb911/698fa241826722f18b0827c3_oura-400x400-95color-70delay-2frame-compressed.png
Experience the engineering behind today’s leading health wearables including Oura Ring, Dexcom G7, Omnipod, and Jabra Hearing Aids. Industrial CT scans reveal how these devices merge medical precision with consumer design.

Payphone Go

Open in Google Maps ↗ 📍 This address is verbatim from the California Public Utilities Commission. The pin on the map is a best guess. It might be a little off. Or phone might not even be there anymore. The first person to call from a payphone can leave a voicemail that gets posted here.

Astra: An open-source observatory control software

https://raw.githubusercontent.com/ppp-one/astra/main/docs/source/_static/astra-banner.jpg
Astra (Automated Survey observaTory Robotised with Alpaca) is an open-source observatory control software for automating and managing robotic observatories. It integrates seamlessly with ASCOM Alpaca for hardware control. Web Interface — Manage your observatory from any browser, use cloudflared or similar to access outside your network

Launch HN: Palus Finance (YC W26): Better yields on idle cash for startups, SMBs

Sam and Michael from Palus Finance are building a treasury management platform for startups to earn higher yields with a high-yield bond portfolio. Their platform targets 4.5-5% returns vs 3.5% from money market funds with a flat 0.25% annual fee.

Entomologists use a particle accelerator to image ants at scale

https://spectrum.ieee.org/media-library/four-grey-3d-models-of-ants-shown-up-close-in-high-detail-two-larger-ants-tower-above-two-smaller-ones-in-the-front-the-larges.jpg?id=65150255&width=1200&height=750
Scientists created Antscan, a 3D atlas of ant morphology with high-resolution images of 792 species. The dataset is now freely available online, allowing anyone to explore and analyze ant anatomy digitally.

Supertoast tables

https://hatchet.run/assets/pg_toast-Bq8K9wet.gif
A startup, Hatchet, used Postgres for data storage but faced issues with large jsonb data filling up disk space. They developed a "write-and-swap" approach to offload infrequently accessed data to S3, reducing costs and improving performance.

Workers who love ‘synergizing paradigms’ might be bad at their jobs

https://news.cornell.edu/sites/default/files/styles/story_thumbnail_lg/public/2026-03/0302_corporatebs_tnd.jpg?itok=HH3QjqWe
A Cornell study found that employees who fall for corporate jargon struggle with practical decision-making. The Corporate Bullshit Receptivity Scale measures susceptibility to empty organizational rhetoric, revealing a link to lower analytic thinking skills.

Multifactor (YC F25) Is Hiring an Engineering Lead

https://bookface-images.s3.amazonaws.com/small_logos/b22602dcf84ece0389bd7a801525177573cf75ba.png
We're hiring an Engineering Lead to own technical execution, shape engineering culture, and define development practices for a world-class engineering org. The ideal candidate has 8+ years of software engineering experience, strong systems-level building skills, and experience designing and shipping backend systems.

Analytic Fog Rendering with Volumetric Primitives (2025)

https://matejlou.blog/wp-content/uploads/2025/02/screenshot-2025-02-05-at-16.46.07-edited.png?w=1274
The user discusses a technique for rendering fog with varying density using the Beer-Lambert Law and ray-marching, and provides examples of radial functions and their antiderivatives to calculate the density along a given ray. The technique can be used to create complex fog or smoke-like effects and can be combined with particle systems or boolean operations to achieve dynamic or animated fog effects.

LibreSprite – open-source pixel art editor

This program is distributed under the GNU General Public License Version 2 | WebSite Designed With ❤️

Global warming has accelerated significantly

Recent analysis found that global warming has accelerated after 2015, exceeding previous 10-year periods. Adjusted data account for natural variability factors like El Niño, volcanism, and solar variation.

Never Bet Against x86

Arm's latest core design shows high performance but lacks standardization, making it difficult for users to find compatible operating systems and software. This lack of standardization will hinder Arm's potential and allow x86 to maintain its market lead despite its own limitations.

Good Bad ISPs

https://community.torproject.org/static/images/tor-logo@2x.png?h=16ad42bc
Several hosting providers allow Tor exit nodes with reduced exit policies, including Linode, MaxKO Hosting, and r0cket.cloud, while others prohibit them or have strict policies against abuse. Some providers, such as Ultra.cc and Hostinger, explicitly forbid Tor relays and exit nodes, while others, like Free Speech Host and Gigahost, allow Tor relays but not exit nodes.

Show HN: Claude-replay – A video-like player for Claude Code sessions

https://raw.githubusercontent.com/es617/claude-replay/main/docs/screenshot-dracula.png
Claude Code sessions can be shared interactively with claude-replay, converting logs into HTML replays. The tool generates a single self-contained HTML file with customizable themes and redacts sensitive information.

Paul Brainerd, Founder of Aldus PageMaker, has died

Show HN: A trainable, modular electronic nose for industrial use

https://sniphi.com/wp-content/uploads/2024/11/Logo_color.png
A digital nose called Sniphi captures real-time scent data using sensors and AI-powered analysis. It can be integrated with existing Microsoft environments and deployed as intelligent sensors for instant identification and automated actions.

Triplet Superconductor

https://www.sciencedaily.com/images/1920/golden-quantum-computer-machine.webp
Scientists may have spotted a long-sought triplet superconductor — a material that can transmit both electricity and electron spin with zero resistance. That ability could dramatically stabilize quantum computers while slashing their energy use. Early experiments suggest the alloy NbRe behaves unlike any conventional superconductor. If verified, it could become a cornerstone of ...

We might all be AI engineers now

https://yasint.dev/og/yasintdev-primary-og.png
The author is having more fun than ever building systems with AI, where the models do the heavy lifting and they do the thinking. They're shipping high-quality software in hours, not days, and debugging is on steroids with AI agents executing their problem-solving instincts.

It took four years until 2011’s iOS 5 gave everyone an emoji keyboard

https://unsung.aresluna.org/_media/im-obviously-taking-a-risk-here-by-advertising-emoji-directly/ogimage.png
In 2008, iPhone users had to hack their devices to access emoji, with some developers creating apps that enabled the feature by toggling a hidden preference. It took until 2011 for Apple to include emoji support in iOS 5, but the early workaround was discovered by developer Steven Throughton-Smith in 2008.

A tool that REMOVES censorship from ANY open-weight LLM with a single click

https://opengraph.githubassets.com/3738f615cf46e384b33878a73e70fef23826f1496a660e7efd7a8faa2ab965fd/elder-plinius/OBLITERATUS
OBLITERATUS is an open-source toolkit for removing refusal behaviors from large language models, making them respond to all prompts without artificial gatekeeping. It implements abliteration techniques, allowing users to contribute to a crowd-sourced dataset that powers the next generation of abliteration research.

Hardening Firefox with Anthropic's Red Team

https://blog.mozilla.org/wp-content/blogs.dir/278/files/2026/02/Distilled_AIControls_A-1-800x800.jpg
Firefox used AI-assisted vulnerability detection to find 14 high-severity bugs and 90 other bugs, all now fixed in the latest version. This collaboration with Anthropic shows AI can be a powerful tool for security engineers, helping to protect users.

Xous security focused open source on 22nm custom silicon

https://www.crowdsupply.com/img/695d/32afe31c-9464-4905-9d38-5908b3c1695d/precursor-eightview-2_jpg_open-graph.jpg
A new release for the Xous ecosystem includes a custom chip, Baochip-1x, and updates to the kernel, libraries, and bootloader. The release is mostly for developers, with no changes relevant to Precursor users, who can safely skip applying it.

Strikes in Middle East since 28th Feb in real time

Multiple hostile UAV alerts and rocket alerts have been issued for various locations in Israel, including the northern border, Confrontation Line, and central Israel. Israeli forces have conducted airstrikes on Iranian and Hezbollah targets in Lebanon, Syria, and Iran.

System76 on Age Verification Laws

https://images.prismic.io/blog-system76/aanZaFxvIZEnjYa7_system76-on-age-verifcation-lawsRR.png?auto=format,compress&rect=1920,0,3840,2560&w=1536&h=1024&fm=png
The author reflects on their childhood obsession with orderliness sparked by road trips and limited access to information, contrasting it with their child's ability to easily access knowledge and technology. The author argues that laws restricting minors' access to technology are ineffective and limit their potential.

The Brand Age

The Swiss watch industry faced a crisis in the 1970s due to Japanese competition, exchange rate changes, and quartz movements, but survived by transforming into luxury brands. This shift led to a new era where branding and design conflicted, with brands prioritizing visibility over quality and design.

Show HN: Swarm – Program a colony of 200 ants using a custom assembly language

200 ants. One brain. No direct communication. Write a program to collect the most food. Win a luxury vacation to Hawaii.

GPL upgrades via section 14 proxy delegation

The user discusses GPL-3.0-only and GPL-3.0-or-later licenses, finding neither ideal due to potential copyright holder disagreements. A proxy can be designated to accept future GPL versions, allowing the program to use the new version.