PGSimCity – How PostgreSQL Works

A working model of the PostgreSQL engine loading the city code… Early, unreviewed prototype. It almost certainly contains inaccuracies in both the model and explanations. Found one? Open an issue or send a pull request.

Teaching Kids Forth

2026-04-14 · 11 min · #computing Forth is uncommonly used to teach programming to kids. Scripting languages like Python and visual environments like Scratch are far more popular options. But when I got the opportunity to introduce middle and high school students to programming, I chose the stack-oriented concatenative language from 1970. I was ecstatic … Devamını oku

I wanted a clock that never needed setting. Things escalated

Here’s the finished device, first in pieces and then all assembled: The clock before assembly… Lee Hutchinson The clock before assembly… Lee Hutchinson …and after! Lee Hutchinson …and after! Lee Hutchinson The clock before assembly… Lee Hutchinson …and after! Lee Hutchinson And, look! HomeKit support! Tailing the clock systemd service’s journal while I move the … Devamını oku

Show HN: Distill and serve small models with frontier quality for half the cost

experientiallabs/world-model-optimizer main Branches Tags Go to file Code Open more actions menu Folders and files Name Name Last commit message Last commit date Latest commit History 151 Commits 151 Commits .agents .agents .claude/ skills .claude/ skills .github/ workflows .github/ workflows assets assets docs docs examples/ ingest examples/ ingest packages packages web web wmo wmo .env.example … Devamını oku

Japan legend Miura, 59, scores first goal since 2022

Miura scored 55 goals for Japan, winning his last cap in 2000 Kazuyoshi Miura, the world’s oldest professional footballer, scored his first goal in nearly four years at the age of 59 for Japanese third-tier side Fukushima United. Miura found the net in the 52nd minute to make it 5-0 to Fukushima in an eventual … Devamını oku

Plasma Tunnels Reveal How Dying Satellites Fall to Earth

IEEE.org IEEE Xplore IEEE Standards IEEE Job Site More Sites Sign In Join IEEE Plasma Tunnels Reveal How Dying Satellites Really Fall to Earth Share FOR THE TECHNOLOGY INSIDER Search: Explore by topic Aerospace AI Biomedical Climate Tech Computing Consumer Electronics Energy History of Technology Robotics Semiconductors Telecommunications Transportation IEEE Spectrum FOR THE TECHNOLOGY INSIDER … Devamını oku

It’s not empowering to hand off the details

I think behind a lot of the enthusiasm around AI is a dream of being able to manifest things into reality without having to get into the details. But you cannot escape the details. There’s no level of abstraction that solves this. The closer you look at anything, the messier and more nuanced it gets. … Devamını oku

What does GitHub’s security team even do?

What does GitHub’s security team even do? Right now, there are thousands of repositories on GitHub that are spreading malware. Any of you can find these repositories, and you don’t need any special knowledge to do so. All you have to do is use the standard search function on the GitHub website. These repositories have … Devamını oku

Kimi K3 is not cheap

The new Chinese LLM is not what (some) people think. Kimi K3, the new open-weights LLM from Chinese lab Moonshot AI, dropped last week. It’s a powerful model that, perhaps inevitably, sparked debate — including accusations of ushering in decelerationist ‘AI communism’ (whatever that means). Amidst the noise, a number of AI commentators (including the … Devamını oku