Super HN

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241. My insulin pump controller uses the Linux kernel. It also violates the GPL
242. 62 years in the making: NYC's newest water tunnel nears the finish line
When the tunnel is fully operational, it will allow the city to take the older tunnels offline for maintenance.
243. GPU-Agnostic Programming Using CubeCL
My personal website and notes
244. Liberating Bluetooth on the ESP32
Despite how widely used the ESP32 is, its Bluetooth stack remains closed source. Let’s dive into the low-level workings of a proprietary Bluetooth peripheral. Whether you are interested in reverse ...
245. Evolution: Training neural networks with genetic selection achieves 81% on MNIST
Training neural networks through trust-based evolutionary selection - no gradients, no backpropagation. - A1CST/GENREG_ALPHA_MNIST
246. Phoenix: A modern X server written from scratch in Zig
247. Detect memory leaks of C extensions with psutil and psleak
248. FFmpeg has issued a DMCA takedown on GitHub
249. California's Ro Khanna faces Silicon Valley backlash after embracing wealth tax
A proposal to tax California billionaires at 5% of their wealth could land on the California ballot in November.
250. S&P500 Priced in Gold
251. Geometric Algorithms for Translucency Sorting in Minecraft [pdf]
252. Publishing your work increases your luck
In 12 months, @aarondfrancis changed his life by bypassing fear and embracing risk. Now, he’s working his dream job @tuple. Get his full story on The ReadME Project:
253. Linux 7.0 Expected to Bring IO_uring Iopoll Polling Improvements
The next Linux kernel cycle, which will be known as Linux 6.20 or more than likely Linux 7.0, is expected to land some IO_uring improvements for better IOPOLL polling.
254. QNX Self-Hosted Developer Desktop
Try out the initial release of the QNX Developer Desktop -- a self-hosted development environment for QNX. No more cross-compilation!
255. Building an AI agent inside a 7-year-old Rails monolith
We run a multi-tenant Rails application with sensitive data and layered authorization. In this post, I walk through how I added the first AI agent tool using RubyLLM, Pundit policies, and our existing Algolia search, without introducing a parallel system or loosening constraints.
256. Cybersecurity Employees Plead Guilty to Ransomware Attacks Using ALPHV BlackCat
257. Why Reliability Demands Functional Programming
258. Show HN: LoongArch Userspace Emulator
LoongArch userspace emulator. Contribute to libriscv/libloong development by creating an account on GitHub.
259. Python 3.15's interpreter for Windows should be 15% faster
Python 3.15’s interpreter for Windows x86-64 should hopefully be 15% faster
260. The Honey Files Expose Major Fraud
261. Huge binaries: I thunk therefore I am
In my previous post, we looked at the “sound barrier” of x86_64 linking: the 32-bit relative CALL instruction and how it can result in relocation overflows. Changing the code-model to -mcmodel=large fixes the issue but at the cost of “instruction bloat” and likely a performance penalty although I had failed to demonstrate it via a benchmark 🥲.
262. Google 2025 recap: Research breakthroughs of the year
This year saw new AI models, transformative products and new breakthroughs in science and robotics.
263. Last Year on My Mac: Look Back in Disbelief
If someone had told me 12 months ago what was going to happen this past year, I wouldn't have believed them. Skipping swiftly past all the political, economic and social turmoil, I come to the interface changes brought in macOS Tahoe with Liquid Glass. After three months of strong feedback during beta-testing, I was disappointed…
264. Ruby 4.0.0 Released
We are pleased to announce the release of Ruby 4.0.0.Ruby 4.0 introduces “Ruby Box” and “ZJIT”, and adds many improvements.
265. More Dynamic Cronjobs
A fun trick for making crontab tasks a little more flexible and dynamic
266. Red Flags in HIPAA-Compliant AI
AI adoption in healthcare rarely fails because teams ignore HIPAA outright. It fails because risk shows up in places teams don't realize they've expanded. Learn the structural blind spots that lead to compliance failures.
267. Oral History of Richard Greenblatt (2005) [pdf]
268. USD Share as Global Reserve Currency Drops to Lowest Since 1994
269. Verdichtung
270. Show HN: I built an "ilovepdf" for CSV files (and I called it ILoveCSV)
I Love CSV - Data Analysis Tools for CSV and Excel: A comprehensive suite of tools designed to help you clean, transform, visualize, and analyze your data with ease. Just upload your CSV or Excel files and start exploring!