---
title: "The Second Brain That Grows Smarter and Lives on Your Computer"
subtitle: "How a spark from Andrej Karpathy, a free note-taking app called Obsidian, and a locally-hosted tool, \"The Curator\", I built are changing the way I think — permanently."
url: "https://talirezun.com/library/second-brain-on-your-computer"
markdown: "https://talirezun.com/library/second-brain-on-your-computer.md"
type: "Essay"
brand: "From Lab to Life"
published: "2026-04-15"
updated: "2026-10-19T09:31:17.178Z"
authors: ["Tali Režun"]
topics: ["Second Brain","The Curator"]
---

# The Second Brain That Grows Smarter and Lives on Your Computer

*How a spark from Andrej Karpathy, a free note-taking app called Obsidian, and a locally-hosted tool, "The Curator", I built are changing the way I think — permanently.*

- URL: https://talirezun.com/library/second-brain-on-your-computer
- Type: Essay
- Brand: From Lab to Life
- Published: 2026-04-15
- Updated: 2026-10-19
- Author: Tali Režun
- Topics: Second Brain, The Curator

## Summary

Introduces The Curator through Karpathy's "LLM as wiki" insight: a local, private, Markdown-based knowledge graph that Obsidian can read.

## Overview

Introduces The Curator through Karpathy's "LLM as wiki" insight: a local, private, Markdown-based knowledge graph that Obsidian can read. Explains the difference between a second brain that grows and one that only stores. Focused on onboarding non-technical readers.

## Editions

Where to read the full work (the canonical edition first):

- [Medium](https://medium.com/@talirezun/the-second-brain-that-grows-smarter-and-lives-on-your-computer-59dd45031db4) (canonical)
- [Substack](https://talirezun.substack.com/p/the-second-brain-that-grows-smarter)

## Related

- [Building Knowledge Immortality Through the Second Brain Architecture and The Curator App](https://talirezun.com/library/knowledge-immortality-second-brain.md)
- [Where Your Context Lives](https://talirezun.com/library/where-your-context-lives.md)
- [Field Notes](https://talirezun.com/library/field-notes-corpus.md)

---

HTML page: https://talirezun.com/library/second-brain-on-your-computer · The whole Library: https://talirezun.com/library.md