Memos
Notes on technology, economics, and life by Emiliano Hernandez Posada. Some are polished, others are works in progress.
On Loops of Darkness and the Death of the Jacobian Conjecture
An 87-year-old math conjecture died last weekend. Can AI actually expand human knowledge?
On Self Interest
There is a dangerous tendency to use the terms self-interest and selfishness interchangeably.
Mythos and Cyber Security
Thoughts on Mythos, Project Glasswing, and the hundreds of thousands of unmaintained systems quietly underpinning the internet.
Building Agents That Actually Work
What everyone into AI is talking about right now is AI agents. Most of us aren't taking the time to define what an agent is. While it certainly can be many…
Don't Vibe Code. Vibe Engineer
Software engineering is more than coding and so is using AI to build. A practical guide to moving beyond vibe coding with strategies for architecture,…
A Timeline of Human Exploration
On the value of curiosity and exploration
Why ChatGPT can't read your 100-page PDF
LLMs are powerful, but they're not always the right tool. A look at why purpose-built OCR still wins for large-scale text extraction.