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I joined the IndieWeb, here's what I learned
Driven by curiosity, I decided to find out what the IndieWeb tag that kept showing up on some blogs and Mastodon toots was all about. I quickly…
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The Silicon Valley Founder Meat Grinder
A few years ago I met a guy, let’s call him Jim, who was trying to break in tech by going to a bootcamp to become a developer. In the meantime, he worked as a bartender and had been living off the support of his girlfriend, who was from a well-off family and Jim was her trophy boyfriend. He approached me because he…
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OsmAnd’s Faster Offline Navigation (2025)
Offline navigation is a lifeline for travelers, adventurers, and everyday commuters. We demand speed, accuracy, and the flexibility to tailor routes to our specific needs. For years, OsmAnd has championed powerful, feature-rich offline maps that fit in your pocket. But as maps grew more detailed and user demands for…
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An agent in 100 lines of Lisp
Around 2000 I took an AI course at the University of Guelph. I don’t think I learned too much. We didn’t talk about neural networks, as far as I can remember. My end of term project was, I think, a pathfinding algorithm wearing an AI costume. There were certainly no discussions of transformers. No CUDA. No PyTorch…
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How does misalignment scale with model intelligence and task complexity?
Research done as part of the first Anthropic Fellows Program during Summer 2025.
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The unlikely story of Teardown Multiplayer
Multiplayer has been the single most requested feature for Teardown ever since before its initial release. Synchronizing physics over the network is already known to be hard, and on top of that we have a completely dynamic, destructible world with full modding support. For a long time, we considered the whole idea…
2798
Spreading Liquid with Three.js
We create beautiful expressions through programming and deliver the best possible experiences.
2799
The US is winning the AI race where it matters most: commercialization
Energy matters for AI, but the decisive layers are cloud infrastructure, data, and commercialization. On those layers the United States is ahead by a wide margin.
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WSL3 Performance is about 5-60% faster than WSL2 depending on the workload
With the release of the WSL 3.x stack, Microsoft bumped the default virtualization runtime and advanced the shipped guest kernel from the 6.6 LTS branch up to 6.18. WSL upgrades often claim generalized performance gains, but marketing bullet points rarely translate directly to developer workloads. To see what actually…
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The death of web development education
Rescuing a field from disappearing
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Parametric CAD in Rust
I keep designing physical parts for our robots. Motor mounts, sensor brackets, wheel hubs. Every time, the workflow is the same: open a GUI CAD program, click a
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The death of social media is the renaissance of RSS (2025)
Social media was once hailed as the great democratizer of information. It promised a world where anyone could share their voice, connect with like-minded communities, and discover authentic human perspectives. But in 2025, the landscape looks very different. Social platforms are drowning in a flood of Generative AI…
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Swift at Apple: Migrating the TrueType hinting interpreter
TrueType is a widely used vector font standard for rendering text in web pages, PDFs, operating systems, and applications. Familiar fonts like Helvetica, Garamond, and Monaco are all built on TrueType outlines. The format specifies a hinting interpreter intended to help outlines rasterize faithfully on low-resolution…
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Japan's book scene is moving from bookstores to libraries
Small local libraries are now becoming travel destinations
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Nix wrote half of my debugger
A few days ago I wrote about Rewind VM, a deterministic VM where every run of a Nix build is a pure function of its inputs, thread schedule included! I have been using it to find, reproduce and solve numerous race conditions in Nix builds, but it’s been making me feel a little crazy. What is this superpower, and why…
2811
We scaled PgBouncer to 4x throughput
PgBouncer is single-threaded, so a single process caps out at one CPU core no matter the box size. See how ClickHouse Managed Postgres runs a peered fleet of PgBouncer processes with so_reuseport to scale pooling across every core — with benchmarks showin
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Team from ETH Zurich make high quality quantum swap gate using a geometric phase
Researchers at ETH Zurich have realised particularly stable quantum logical operations with qubits made of neutral atoms. Since these operations, called quantum gates, are based on geometric phases they are extremely robust against experimental noise and can be used in quantum computers in the future.
2813
Linux is an interpreter
And why you would want to exec a cpio
2814
How does GPS work?
An interactive exploration of how GPS works: from the speed of light and trilateration to the cheap clock problem and Einstein's relativity corrections.
2815
Retrospectively Reverse-Engineering Apple's Neural Engine
I stopped working on the reverse-engineered Apple Neural Engine (ANE) driver three years ago, upon a sad mini realization that the ANE block is just not that useful, and I could be doing more useful things, and moved onto upstreaming other, more useful, blocks. The ANE's architecture was too opinionated to build a…
2816
Sandwich Bill of Materials
SBOM 1.0: A specification for sandwich supply chain transparency.
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After 7 years in production, Scarf has reluctantly moved away from Haskell
After 7 years in production, Scarf has reluctantly moved away from Haskell — Avi Press
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Meta Horizon Worlds on Meta Quest is being discontinued
Earlier this year, we shared an update on our renewed focus for VR and Horizon. We are separating the two platforms so each can grow with greater focus, and the Horizon Worlds platform will become a mobile-only experience. This separation will extend across our ecosystem, including our mobile app. T...
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The Lisp curse, now coming to your ecosystem
The LISP curse is often quoted as the reason why so few libraries and reusable components exist for LISP dialects. According to the concept, LISP is so power...
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The most official water costs $120k a gallon
We all learned in science class that water freezes at 0 °C or 32 °F at atmospheric pressure. But what water, exactly? Even after you distill out all the dissolved salts and minerals to get pure H2O…