Real world measurements of how much extra heat the Earth is trapping are well beyond most climate models. That’s a real problem.

Since its inception, Let’s Encrypt has been sending expiration notification emails to subscribers that have provided an email address to us via the ACME API. This service ended on June 4, 2025. The decision to end the service is the result of the following…

Python dataclasses are a really nice feature for constructing classes that primarily hold or work with data. They can be a good alternative to using dictionaries, since they allow you to add method…

A new book charts how the discipline transcended humble origins and turned into something more ambitious, and more conflicted.

A C++ expression -> x64 JIT. Contribute to BitFunnel/NativeJIT development by creating an account on GitHub.

Paleontologists studying insects trapped in amber from 99 million years ago have made a remarkable discovery: an ant and a fly with parasitic fungi bursting from their bodies.

Microsoft wants to avoid another CrowdStrike incident.

Research platform for analyzing systemic misalignment in AI alignment methods

Surprising new work bucks 50 years of assumptions about the trade-offs between computation space and time

[The wordpress markdown inclusion does a very bad job, it seems, there have been some idiotic formatting errors. I hope that these are fixed, now.] A years-long effort led by Kayvan Memarian and Pe…

Gnarled JavaScript warlock, musician, cartoonist, dilettante.

“Mansfield Park” continues to complicate the writer’s legacy 250 years after her birth. Lauren Groff explains how the novel’s dark themes and complex ironies help keep Austen weird.

Projects, experiments and toys by Rafał Pastuszak

High-Performance Implementation of OpenAI's TikToken. - M4THYOU/TokenDagger

When visiting the dentist, you might remember being poked and prodded by a thin metal instrument to check your teeth and gums. This technique, called periodontal probing, is used to look for signs of ...

Entry-level jobs have taken a major hit, dropping by nearly a third since the advent of widely available generative AI tools.

This question is increasingly central to debates about the future of work and closely tied to the growing interest in the four-day workweek

China’s Shenzhou-20 astronauts complete second spacewalk to enhance Tiangong space station Two Chinese astronauts conducted an extravehicular activity outside the Tiangong space station Thursday, marking their second spacewalk in five weeks.

Donkey Kong Country 2 has a pretty well-known bug in the old SNES emulator ZSNES where some stages have spinning barrels that don’t work properly. One of the earliest pictured here, in the first stage of Krem Quay (third world):
After you jump into the barrel…