The State of GPL Propagation to AI Models

When GitHub Copilot was launched in 2021, the fact that its training data included a vast amount of Open Source code publicly available on GitHub attracted significant attention, sparking lively debates regarding licensing. While there were issues concerning conditions such as attribution required by most licenses, there was a particularly high volume of discourse suggesting […]
Show HN: Spikelog – A simple metrics service for scripts, cron jobs, and MVPs
Built for side projects, MVPs, and small production systems. Need long retention, complex queries, and compliance? Use Axiom Just want to track a few numbers? Use Spikelog. Start Tracking Built because setting up Grafana to track one number felt ridiculous.
How Arthur Conan Doyle Explored Men’s Mental Health Through Sherlock Holmes

Note: This article is republished from The Conversation under a Creative Commons license. It includes links to external sites that may earn a commission for purchases. We did not add these links and have kept the original content intact. Arthur Conan Doyle was not just one of the world’s best crime fiction writers. He was […]
AI Agents Break Rules Under Everyday Pressure

25 Nov 2025 5 min read Source image: iStock Several recent studies have shown that artificial-intelligence agents sometimes decide to misbehave, for instance by attempting to blackmail people who plan to replace them. But such behavior often occurs in contrived scenarios. Now, a new study presents PropensityBench, a benchmark that measures an agentic model’s choices […]
RL is more information inefficient than you thought

Recently, people have been talking about how it takes way more FLOPs to get a single sample in RL than it does in supervised learning. In pretraining, you get a signal on every single token you train on. In RL, you have to unroll a whole thinking trajectory that’s 10s of 1000s of tokens long […]
Ray Marching Soft Shadows in 2D
Disclaimer: the demos on this page use WebGL features that aren’t available on some mobile devices. A couple of weeks ago I tweeted a video of a toy graphics project (below). It’s not done, but a lot of people liked it which was surprising and fun! A few people asked how it works, so that’s […]
Linux Kernel Explorer

The kernel isn’t a process—it’s the system. It serves user processes, reacts to context, and enforces separation and control. The Kernel Is Not a Process: It’s the always-present authority bridging hardware and software. Serving the Process: Orchestrates syscalls, interrupts, and scheduling to keep user tasks running. System of Layers: Virtual, mapped, isolated, and controlled—structure at […]
Tell HN: Happy Thanksgiving
I’ve been a part of this community for fifteen years. Despite the yearly bemoaning of HN’s quality compared to its mythical past, I’ve found that it’s the one community that has remained steadfast as a source of knowledge, cattiness, and good discussion. Thank you @dang and @tomhow. Here’s to another year.
Music eases surgery and speeds recovery, study finds

2 days ago ShareSave Soutik BiswasIndia correspondent ShareSave BBC Under the harsh lights of an operating theatre in the Indian capital, Delhi, a woman lies motionless as surgeons prepare to remove her gallbladder. She is under general anaesthesia: unconscious, insensate and rendered completely still by a blend of drugs that induce deep sleep, block memory, […]
Coq: The World’s Best Macro Assembler? [pdf] [2013]
Download PDF