Amazon launches Trainium3
Amazon Web Services, which has been building its own AI training chips for years now, just introduced a new version known as Trainium3 that comes with some impressive specs. The cloud provider, which made the announcement Tuesday at AWS re:Invent 2025, also teased the next product on its AI training product roadmap: Trainium4, which is […]
Minimum Viable Arduino Project: Aeropress Timer
Okay, okay. I admit. This isn’t the minimum viable Arduino project. That’s the blinkey-light demo. But this comes pretty close. It’s the minimum viable Arduino project that is actually useful. This project stems from two things: First, these super sweet aluminum buttons I picked up a few weeks ago. Second, the fact that the Aeropress […]
Cursed circuits: charge pump voltage halver
There’s plenty of circuits that are hard to understand because they’re complicated. And some that are hard to make sense of because they seem too simple. In the spring of 2023, when this Substack had only a handful of subscribers, I posted a primer on voltage adjustment in electronic circuits. The article opened with a […]
Amp, Inc. – Amp is spinning out of Sourcegraph
Amp is becoming a separate company. We’re spinning out of Sourcegraph to become an independent research lab. Our goal: let software builders harness the full power of artificial intelligence. We believe the way we develop software will change. All of it will change, fundamentally and drastically. Nobody knows exactly how. We intend to find out. […]
LLM from scratch, part 28 – training a base model from scratch on an RTX 3090
Archives Categories Blogroll Having worked through the main body of Sebastian Raschka‘s book “Build a Large Language Model (from Scratch)“, I wanted to try an experiment: is it possible to train a base model of my own, on my own hardware? The book shows you how to train your LLM, does a basic training run […]
IBM CEO says there is ‘no way’ spending on AI data centers will pay off
Business Insider tells the innovative stories you want to know Business Insider tells the innovative stories you want to know Business Insider tells the innovative stories you want to know Business Insider tells the innovative stories you want to know
Bun has been acquired by Anthropic
TLDR: Bun has been acquired by Anthropic. Anthropic is betting on Bun as the infrastructure powering Claude Code, Claude Agent SDK, and future AI coding products & tools. What doesn’t change: Bun stays open-source & MIT-licensed Bun continues to be extremely actively maintained The same team still works on Bun Bun is still built in […]
100000 TPS over a billion rows: the unreasonable effectiveness of SQLite
02 Dec 2025 SQLite doesn’t have MVCC! It only has a single writer! SQLite is for phones and mobile apps (and the occasional airliner)! For web servers use a proper database like Postgres! In this article I’ll go over why being embedded and a single writer are not deficiencies but actually allow SQLite to scale […]
School Cell Phone Bans and Student Achievement (NBER Digest)
Two years after the imposition of a student cell phone ban, student test scores in a large urban school district were significantly higher than before, David N. Figlio and Umut Özek find in The Impact of Cell Phone Bans in Schools on Student Outcomes: Evidence from Florida (NBER Working Paper 34388). The study examines data from one […]
Kids who ran away to 1960s San Francisco
“Dear people at Huckleberry’s… Please don’t ever close – we need you… I love you all for just being there. Melissa” March 1969 I’ve been reading Season of the Witch, a fantastic book on the history of San Francisco from the 1960s through the 80s. Somewhere in the middle, there’s a chapter on Huckleberry House, […]