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.

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.

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.

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.

2025 Turing award given for quantum information science

The website is blocked due to security reasons after a suspicious action was detected. Please email the site owner with the Cloudflare Ray ID to report the issue.

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.

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.

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.

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 ...

Federal Cyber Experts Called Microsoft's Cloud "A Pile of Shit", yet Approved It

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.

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.

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.

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.

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.

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.

Samsung Galaxy S26 Ultra Review: The Privacy Screen

https://media.wired.com/photos/69b4a41f9c9b19892482beeb/master/w_1600%2Cc_limit/Samsung-Galaxy-S26-Ultra-SOURCE-Julian-Chokkattu(3).jpg
Did you privately ask ChatGPT how to bring up nonmonogamy with your husband? It's all over socials! Your commuting neighbor on the train snuck a glance at your phone, guffawed internally, and blasted it on X with a satisfied smirk. At least you're still anonymous. This is a scenario that Samsung's new smartphone avoids. It's rare for a new smartphone hardware innovation to ...

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 ...

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.

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.

Google Engineers Launch "Sashiko" for Agentic AI Code Review of the Linux Kernel

https://www.phoronix.com/assets/categories/ai.webp
Google engineers developed Sashiko, an agentic AI code review system for Linux kernel, now open-source and publicly available. Sashiko found 53% of bugs in 1,000 recent Linux kernel issues, surpassing human reviewers who missed all issues.

Restoring the first recording of computer music (2018)

https://www.bl.uk/images/v5dwkion/production/e49147aa8c97f148cf590a9209e623a7284f71ec-595x312.jpg/jack-copeland-and-jason-long.jpg?auto=format
Alan Turing's 1948 computer-generated music was initially overlooked, but a 1951 BBC recording of the Manchester computer playing the National Anthem and other melodies has been restored to its original sound. The recording was sped up during the cutting process, but after analysis, it was corrected to reveal the true sound of Turing's pioneering computer music.

Celebrating Tony Hoare's mark on computer science

https://bertrandmeyer.com/wp-content/upLoads/word-image-6935-3.png
Tony Hoare was a renowned computer scientist who made significant contributions to the field, including the Quicksort algorithm and Hoare logic.
https://commission.europa.eu/sites/default/files/styles/oe_theme_small_no_crop/public/2024-12/Berlaymont%20with%20Repower%20banner.jpg?itok=K0C3upei
The Commission’s January 2025 Competitiveness Compass announced the creation of a “28th regime” as part of a broader strategy to strengthen the competitiveness of the European economy.

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.

The pleasures of poor product design

https://substackcdn.com/image/fetch/$s_!nTbf!,w_2400,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F66467e13-77e6-4667-b7f3-4778b53a2928_1206x688.jpeg
Katerina Kamprani created The Uncomfortable, a project featuring deliberately inconvenient everyday objects, to express herself and have fun. The project has evolved over 15 years, with Kamprani creating around 50 designs, mostly digital renderings, and a few real-world prototypes.

A ngrok-style secure tunnel server written in Rust and Open Source

https://raw.githubusercontent.com/joaoh82/rustunnel/main/images/rustunnel_architecture.png
Rustunnel is a secure tunnel server written in Rust that exposes local services through a public server over encrypted WebSocket connections. It supports HTTP/TCP proxying, a live dashboard, Prometheus metrics, and audit logging, and can be used with a public edge server or self-hosted.

Show HN: Sub-millisecond VM sandboxes using CoW memory forking

https://raw.githubusercontent.com/adammiribyan/zeroboot/main/demo/demo.gif
A user uses the ZeroBoot API to execute a Python script that prints random numbers. The API uses Firecracker to boot a VM and pre-load the runtime, with a working prototype but not production-ready.

Ndea (YC W26) is hiring a symbolic RL search guidance lead

https://ndea.com/media/images/ndea-og-image-jobs.jpg
Ndea is hiring researchers/engineers for deep learning in search guidance, focusing on neuro-symbolic AI. To apply, send an email with impressive work, relevant experience, or referrals to [email protected].

Get Shit Done: A meta-prompting, context engineering and spec-driven dev system

https://camo.githubusercontent.com/72affc23c3947efd63ebca61203c3fefd828a84db50e08b75c59f52b17191bbc/68747470733a2f2f6170692e737461722d686973746f72792e636f6d2f7376673f7265706f733d676c6974746572636f77626f792f6765742d736869742d646f6e6526747970653d44617465
GSD is a meta-prompting system for Claude Code and other AI tools that helps build projects consistently and efficiently. It uses context engineering and spec-driven development to ensure high-quality results.

Python 3.15's JIT is now back on track

https://fidget-spinner.github.io/media/jit-on-track/brrr-20260317.png
The CPython JIT project has achieved its performance goals for macOS AArch64 and x86_64 Linux, with 11-12% and 5-6% speedups respectively. The project's success is attributed to a combination of luck, the right people, and effective software engineering practices, including breaking down complex problems and encouraging new contributors.