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 methods, dynamic properties, and subclasses. They can also be a…

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.

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…

“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.

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 ...

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

Projects, experiments and toys by Rafał Pastuszak

Gnarled JavaScript warlock, musician, cartoonist, dilettante.

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

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…

The Research Pipeline is Stalling



The U.S. National Science Foundation (NSF) froze all outgoing funding, including new awards and scheduled payments on active grants. Over 1,000 NSF research projects were abruptly canceled in a few days, resulting in roughly…

LLMs were invented in four major developments... all of which were datasets

Vercel recently announced BotID, an anti-bot meant to protect against bots without requiring manual intervention. This post reverse-engineers the script and takes a peek inside.

I write type safe generic data structures in C using a technique that I haven’t seen elsewhere1. It uses unions to associate type information with a generic data structure, but we’ll get to that. My approach works for any type of data structure: maps, arrays…

How can hobbyists make their 3D printed objects smarter? Discover the printegrated circuits that embed microcontrollers seamlessly.

Apple's anti-competitive App Store policies are gouging consumers, enabling censorship, and harming privacy-focused developers. We're joining a lawsuit to restore internet freedom.

Simple app to display the current location of the International Space Station on a ESP32 CYD (Cheap Yellow Display) - GuitarML/SpaceStationTracker