Delty (YC X25) Is Hiring
About Us Delty is building the world’s first “AI Staff Engineer.” Unlike typical code-generation tools, Delty is trained on a team’s codebase, documentation, and system history — giving it a system-level understanding of architecture, conventions, and constraints. Delty helps engineering teams design enterprise-scale software systems, make architectural decisions, and enable AI coding agents to work […]
Paged Out
What is Paged Out!? Paged Out! is a free experimental (one article == one page) technical magazine about programming (especially programming tricks!), hacking, security hacking, retro computers, modern computers, electronics, demoscene, and other similar topics. It’s made by the community for the community. And it’s not-for-profit (though in time, we hope it will be self-sustained) […]
Claude 4.5 Opus’ Soul Document
Claude 4.5 Opus’ Soul Document. Richard Weiss managed to get Claude 4.5 Opus to spit out this 14,000 token document which Claude called the “Soul overview”. Richard says: While extracting Claude 4.5 Opus’ system message on its release date, as one does, I noticed an interesting particularity. I’m used to models, starting with Claude 4, […]
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 […]
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 […]
IBM CEO says there is ‘no way’ spending on AI data centers will pay off
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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 […]
Poka Labs (YC S24) Is Hiring a Founding Engineer
The Opportunity The $6 trillion chemicals industry runs the physical economy but still relies on spreadsheets and legacy systems. It is responsible for 25 percent of global emissions and is one of the least digitized sectors in the world. AI can transform how this sector operates. We are building the intelligence layer for the process […]