Hacker News Daily — September 30, 2026

30 stories · September 30, 2026

Plus This issue is new — delivery and download are for Plus until it ages into the free archive.

In this issue

1

You said no MCP

earendil.com · 550 points · Discussion

If you went to pi.dev in the past, you found a proud declaration that Pi does not support MCP. If you listen to podcasts where we talked about Pi, you will have found more than one dismissive…
2

Gemini 4 Argon

blog.google · 449 points · Discussion

Gemini 4 Argon delivers frontier performance in complex workflows across real-world software engineering, enterprise knowledge work like legal and finance, and cybersecurity defense. Listen to article…
3

Vermont replacing power plants with home batteries

bbc.com · 365 points · Discussion

See also https://electrek.co/2026/07/28/vermonts-largest-energy-sourc...
4

Solving Factorio Quality

exyr.org · 244 points · Discussion

Solving Factorio Quality Simon Sapin, 2026-02-15 I play Factorio the normal way: by writing matrix math code to plan the factory. But we’ll get to that. Or, TL;DR, go to my new online calculator tool.…
5

I Could've Accessed 17T Microsoft Records

blog.faav.net · 207 points · Discussion

Sep 25, 2026 An estimated 17.3 trillion stored rows across a wide range of Microsoft datasets were reachable through a single internal analytics service, all because it never checked the signature on…
6

A brief history of the Bloomberg terminal

spectrum.ieee.org · 178 points · Discussion

Financial markets have always relied on timely information, and the drive for timeliness has always adapted to the latest technology. From clipper ships transiting the oceans to telegraph wires…
7

The last time my family was replaced by technology

manuel.darcemont.fr · 137 points · Discussion

My great-great-grandfather thought he’d be replaced by technology too. He was a farrier in Mandres-en-Barrois, the small village in rural France where I grew up. Shoeing horses, repairing farmers’…
8

Show HN: JBR-001 – An open-source 3D printable desktop robot

projecthub.arduino.cc · 116 points · Discussion

We built a desktop companion robot that is powered by Arduino UNO Q. Project is open source: source code, 3D printable files and assembly instructions are available at Arduino Project Hub. Robot is…
9

LinkedIn Larpmaxxing

hereticpleb.vercel.app · 114 points · Discussion

table of contents The Feed The Projects Making the YOLO Post Detector Conclusion LinkedIn is a soul-sucking hole of professionalism and a pit of hell that not even my worst enemy should spend the rest…
10

SDF vs. MSDF vs. Slug: GPU Text Rendering

alphapixeldev.com · 112 points · Discussion

How do I choose a text rendering algorithm between SDF, MSDF, Slug, Texture Atlas or Rive? Text looks simple until you have to draw it yourself. A letter is not a picture, it is a set of outlines:…
11

What TLA+ can and can't check

buttondown.com · 102 points · Discussion

Last week Boris Cherny, the inventor of Claude Code, mentioned that Opus was able to use TLA+ 1 to find race conditions in code. And now everybody on the internet is talking about formal verification.…
12

Launch HN: Magnitude (YC S25) – Self-optimizing inference engine for agents

github.com · 92 points · Discussion

Hey HN, Anders and Tom here. We're building Magnitude, an inference engine for agents that optimizes itself to run as fast as possible on your hardware. It works on Mac, Linux, and Windows on any…
13

Commit description as a thinking tool

yedhu.me · 90 points · Discussion

Before the AI era, I wrote pretty long commit descriptions (or commit bodies) for major changes. It took me about five to ten minutes to draft and reread them to make sure I didn’t miss anything…
14

Burning Man death rates – A short lesson in statistics

ihavenapkinthoughts.substack.com · 76 points · Discussion

Summary: Three people died at Burning Man in 2026. This was about a quarter of what the crude national rate would predict (~12 deaths). Calculating the age-standardized death rate, we’d expect to see…
15

Show HN: Ledge.sh – Runnable Markdown Notes

ledge.sh · 67 points · Discussion

Hi HN, Ledge is a Markdown notebook that runs shell commands, code, SQL, etc from inside your own notes. I built Ledge because I spend much of my day copy/pasting commands from my notes into the…
16

EDG C++ front-end goes public

edgcpp.org · 67 points · Discussion

The EDG open source transition EDG is going open source. On September 30, 2026, the source for EDG's C++ front end goes public, and The C++ Alliance becomes its nonprofit home. Same engine, same…
17

America.gov goes crazy on "play Minecraft"

america.gov · 66 points · Discussion

Read via the links — full text wasn’t available.
18

SDF Public Access Unix System ... est. 1987

sdf.org · 64 points · Discussion

Read via the links — full text wasn’t available.
19

Getting out of the way: my robotics crash course

thisismypersonalblog.com · 61 points · Discussion

Blog About Robotarm · SO-101 · September 2026 figure 1: My very primitive workspace and robot, webcam at the top of the frame pointing down. I don't do robots. I don't do blogs. But here I am blogging…
20

Reverse-engineering a $35 backup camera display (AMT630A)

github.com · 58 points · Discussion

AMT630A OSD Arduino/ESP32 library for controlling the hardware on-screen display (OSD) engine in AMT630A-based composite-video LCD monitor boards. Version 0.7.0 Project video Watch on YouTube The…
21

5x faster Edge Functions: V8 isolates to Firecracker MicroVMs

netlify.com · 58 points · Discussion

About a billion Edge Functions run on Netlify every day — Sunweb personalizing pages, Loto-Québec routing traffic on a cookie check, and hundreds of thousands of other sites doing everything from…
22

Surprisingly Complex Waves Reveal the Brain's Inner Workings

quantamagazine.org · 55 points · Discussion

I get out of bed. I walk through the dimly lit hallway, thinking of what’s in my fridge and what I should have for breakfast. With no real effort, I’ve navigated my environment, accessed my memory,…
23

Claude Says

ohhfishal.net · 51 points · Discussion

I don’t care. If I wanted the feedback of an AI, I would have prompted it myself. Your deference to a LLM communicates that the current subject matter is outside your ability to speak confidently on.…
24

Moist-Electric Wallpaper for Indoor Energy Harvesting and Humidity Management

advanced.onlinelibrary.wiley.com · 48 points · Discussion

Read via the links — full text wasn’t available.
25

Halfspace experimental IDE for solid modeling with distance fields

mattkeeter.com · 23 points · Discussion

Introduction Halfspace is an experimental IDE for solid modeling with distance fields. Try the demo (The demo is best experienced on a computer; mobile Safari has some WebGPU issues, and pan / tilt /…
26

Carnegie Mellon University Announces Historic $3B Gift from Ken Griffin

cmu.edu · 19 points · Discussion

Conceptual rendering. Plans for the CMU Miami campus are subject to necessary regulatory approvals. September 30, 2026 Media Inquiries Name Media Relations Title University Communications & Marketing…
27

Gitea 28.0.0 Is Released

blog.gitea.com · 10 points · Discussion

We are thrilled to announce the latest release of Gitea v28.0.0. Gitea drops the historical 1. prefix from its version numbers, so this release is 28.0.0 rather than 1.28.0. Highlights include audit…
28

Dear Software Makers

blog.jim-nielsen.com · 9 points · Discussion

Marques Brownlee just released a video essay titled “Dear YouTube”. I loved it. He talks about how YouTube is going to start shipping this new feature where makers can essentially publish different…
29

Understanding the Dual Polytope for Hull Simplification

cairnc.github.io · 6 points · Discussion

I was recently trying to simplify convex hulls. A common approach is to find all the face planes of the hull, merge or drop some of them, and then rebuild the hull from the planes that are left. There…
30

Bild AI (YC W25) Is Hiring a Founding Product Engineer

ycombinator.com · Discussion

AI estimating & detailing for Division 8 doors, frames & hardware Founding Product Engineer $120K - $180K • 0.10% - 0.40% • San Francisco Role Engineering, Full stack Experience Any (new grads ok)…