OpenRocket

https://openrocket.info/img/OpenRocket_icon.png
OpenRocket is a free model rocket simulator with advanced features for designing and simulating rockets. It offers real-time feedback, AI assistance, and a large database of motor data for optimal performance.

Wander – A tiny, decentralised tool to explore the small web

To set up a Wander console, download a ZIP file, extract index.html and wander.js, and place them in the /wander/ directory of your website. Then edit wander.js according to the directions at codeberg.org/susam/wander.

Rob Pike’s Rules of Programming (1989)

The rules emphasize measuring performance before optimizing, using simple algorithms and data structures, and prioritizing data organization for efficient programming.

Nvidia NemoClaw

https://opengraph.githubassets.com/63d1496ee36d8ca15a84dffad5917fde767bc4384b3cde042f5bdde462a65d02/NVIDIA/NemoClaw
NVIDIA NemoClaw is an open source stack for running OpenClaw assistants safely with NVIDIA OpenShell runtime and cloud inference. It's early-stage and not production-ready, with interfaces and APIs subject to change.

Review: Samsung Galaxy S26 Ultra

https://media.wired.com/photos/69b4a41f9c9b19892482beeb/master/w_1600%2Cc_limit/Samsung-Galaxy-S26-Ultra-SOURCE-Julian-Chokkattu(3).jpg
The Samsung Galaxy S26 Ultra has a new Privacy Display feature that makes it difficult for others to see your screen, and it's a game-changer for those who value their privacy. The phone also has a well-rounded experience with a good camera system, long battery life, and AI features like Gemini that can automate tasks, but it's not perfect and has some drawbacks.

Warranty Void If Regenerated

https://substackcdn.com/image/fetch/$s_!eFzm!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15632f3e-d368-4b83-a6b4-b8844079dfc6_1200x896.png
Tom Hartmann is a software mechanic who fixes problems in custom software used by farmers. He helps clients like Margaret Brennan and Ethan Novak resolve issues with their generated tools, often due to inadequate specifications or unforeseen interactions between tools.

Book: The Emerging Science of Machine Learning Benchmarks

The author argues that machine learning benchmarks have been successful in driving progress in the field, but their limitations and flaws have been overlooked, including the potential for gaming the metrics and overfitting to benchmark datasets. The book aims to shed light on why benchmarks work and what they are good for, covering the foundations of benchmarking, the ImageNet era, and recent ...
A database and flight search tool called Stardrift.ai helps predict Starlink availability on flights by checking aircraft type and tail number. The tool currently supports airlines like United, Hawaiian, Alaskan, and Qatar, with more airlines to be added as Starlink rolls out.

Show HN: Playing LongTurn FreeCiv with Friends

https://opengraph.githubassets.com/f28dbe51bad580d13c28345feedfddaa6d71062efd47767032da7c35a0b2cbc2/ndroo/freeciv.andrewmcgrath.info
A self-hosted Freeciv server on Fly.io runs a 16-player longturn game with email notifications and AI-generated newspaper. The server uses scripts to manage game state, send emails, and generate status pages, with manual editing of save files as the most reliable way to change game state mid-game.

2025 Turing award given for quantum information science

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Show HN: I built 48 lightweight SVG backgrounds you can copy/paste

https://www.svgbackgrounds.com/wp-content/uploads/2021/05/liquid-cheese-yellow-background.png
By obtaining and using graphics from SVGBackgrounds.com, you agree to the terms of the SVGBackgrounds.com License Agreement Enjoy this small sampling of our designs and patterns. All are customizable: change into your brand colors — some even shrink, spin, or shift. Each background is unique to SVGBackgrounds.com, so enjoy exploring before you easily export into your project.

Nightingale – open-source karaoke app that works with any song on your computer

https://nightingale.cafe/logo.png
UVR Karaoke separates vocals from instrumentals and scores singing in real-time with adjustable volume and lyrics alignment. It supports various file formats, controllers, and platforms, with GPU acceleration and automatic video audio extraction.

Machine Payments Protocol (MPP)

https://images.stripeassets.com/fzn2n1nzq965/5IYCnqC3lSFI3dW5UhGIIA/5fb13c82f7714870669ecd651760d88d/sessions-nav-banner.png?q=80
Stripe and Tempo launched the Machine Payments Protocol (MPP) for agents to pay programmatically. MPP enables microtransactions, recurring payments, and more, integrating with Stripe's PaymentIntents API.

CVE-2026-3888: Important Snap Flaw Enables Local Privilege Escalation to Root

https://ik.imagekit.io/qualys/wp-content/uploads/2026/03/CSAM-1-1070x507.png
A Local Privilege Escalation (LPE) vulnerability (CVE-2026-3888) affects Ubuntu Desktop 24.04 and later, allowing an unprivileged attacker to gain full root access. Patches are available, and organizations should upgrade immediately to mitigate the risk.

FBI is buying location data to track US citizens, director confirms

https://techcrunch.com/wp-content/uploads/2024/08/geofence-warrant-smaller-1995.jpeg?w=1024
The FBI has confirmed buying access to people's data from data brokers, including location data, despite previous claims it was not actively purchasing it. This practice has raised concerns about the Fourth Amendment and the need for a warrant to obtain private information.

Despite Doubts, Federal Cyber Experts Approved Microsoft Cloud Service

https://www.propublica.org/wp-content/uploads/2025/12/20260225-Gordon-fed-ramp-tech-project-3x2_maxHeight_3000_maxWidth_3000.jpg?w=1149
ProPublica found that Microsoft's cloud product, GCC High, was authorized by the government despite security concerns and lack of proper documentation. The government's cybersecurity evaluators had "lack of confidence" in assessing the system's overall security posture.

Show HN: Hacker News archive (47M+ items, 11.6GB) as Parquet, updated every 5m

https://cdn-thumbnails.huggingface.co/social-thumbnails/datasets/open-index/hacker-news.png
The dataset contains the complete Hacker News archive from 2006-10 to 2026-03-16 with 47,358,306 items. It is a mirror of the official Hacker News data sourced from the ClickHouse Playground and updated every 5 minutes.

On a Boat

https://moq.dev/blog/on-a-boat/boat.png
MoQ is a protocol that allows for efficient live streaming by splitting streams into tracks and only transmitting them when subscribed to, making it ideal for bandwidth-constrained environments. It also supports prioritization, path migration, and multi-path extensions to ensure reliable and scalable live streaming.

Show HN: Tmux-IDE, OSS agent-first terminal IDE

https://tmux.thijsverreck.com/og-image.png
tmux-ide creates a layout with Claude panes and dev tools, enabling agent-team mode. Claude configures the workspace automatically with the registered Code skill.

Trashing American Allies Turns Out to Be Bad for National Security

https://cdn.theatlantic.com/thumbor/sMxTYEF-EGHQAMtWM9nBse_AiNc=/0x0:2000x1125/960x540/media/img/mt/2026/03/TrumpMAGAWar/original.png
President Trump's war on Iran has failed to gain support from US allies, leaving him trapped in a costly conflict. His ideology of American independence from foreign alliances has led to economic costs far worse than those of globalism.

Death to Scroll Fade

https://dbushell.com/images/blog/2026/pablo-waiting.avif
The author dislikes scroll fade, a web design effect where elements fade in as users scroll, as it's often overused and poorly implemented. They argue it's tacky, distractive, and negatively impacts core web vitals, such as Largest Contentful Paint.

OpenAI Has New Focus (on the IPO)

https://om.co/wp-content/uploads/2024/05/Om-headshot.png
OpenAI is facing a leadership push to focus and prioritize its efforts amidst a competitive AI market, with the company's IPO and revenue growth being key factors. The company's recent announcements and organizational changes are part of a larger narrative to convince investors and customers that it has its house in order and is ahead in the AI race.

I haven't used a mouse for 14 years

https://bear-images.sfo2.cdn.digitaloceanspaces.com/axelk/drag1.webp
User has used Mac since 2012 without an external mouse, relying on trackpad for design work. Three finger drag option in Accessibility settings helps reduce finger strain during dragging.

Write up of my homebrew CPU build

https://willwarren.com/2026/03/12/building-my-own-cpu-part-3-from-simulation-to-hardware/cover.jpeg
The user built a prototype of a computer called WCPU-1 using a breadboard and encountered several issues including backwards LEDs, floating address lines, and EEPROM glitches, but eventually got it working at 1 MHz with 256 bytes of RAM. The user plans to create a final version of the computer on a single PCB, remove the Arduino, and add features such as an overflow flag and debouncing ...

Measuring progress toward AGI: A cognitive framework

https://storage.googleapis.com/gweb-uniblog-publish-prod/images/orankelly.max-244x184.format-webp.webp
Researchers release a paper on measuring progress toward Artificial General Intelligence (AGI) using a cognitive taxonomy framework. A $200,000 hackathon is launched to develop evaluations for key cognitive abilities in AI systems.

Using calculus to do number theory

Kurt Hensel used calculus to solve a number theory problem by improving an approximate solution to a polynomial equation modulo 125. He applied Newton's method to find a solution modulo 25 and then upgraded it to a solution modulo 125.

Explore 19th Century Scientific Correspondence

Ɛpsilon opens up new research opportunities in the history of 19th century science by bringing correspondence data and transcriptions from multiple sources into a single cross-searchable digital platform. It currently holds details of over 50,000 letters and is growing. Correspondence from this period is scattered, with even major collections rarely catalogued to item level, making it ...

Snowflake AI Escapes Sandbox and Executes Malware

https://framerusercontent.com/images/DQ1xyTxgoIu8RdOdSoCABxXVtM.png
A vulnerability in Snowflake's Cortex Code CLI allowed malware to be installed and executed via indirect prompt injection, bypassing human approval and escaping the sandbox. The issue was fixed with Cortex Code CLI version 1.0.25 on February 28th, 2026.

Trevor Milton is raising funds for a new jet he claims will transform flying

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AI coding is gambling

https://bear-images.sfo2.cdn.digitaloceanspaces.com/visiant/gambleai.webp
The author reflects on how AI has changed their coding experience, making it more about instant gratification and less about actual problem-solving. They feel it's become a form of gambling, where they're relying on the AI to produce results rather than putting in the effort themselves.