Knowledge Compilation Over Knowledge Retrieval: Karpathy's New Second Brain Paradigm
You've been collecting articles for three years. A thousand notes in Notion. But when you actually need something, you open a new Google tab.The problem isn't t
Grimoire
Long-form analysis at the intersection of AI and life sciences — all spells, sorted by time.
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The Virtual Filesystem Revolution: Why AI Using grep Beats RAG
RAG has become the default architecture for AI applications. Chunk your documents, store them in a vector database, retrieve the relevant pieces, hand them to t
Vibe Coding Isn't Winging It — Plan-Execute-Verify Is How AI Coding Actually Works
"Just tell the AI to write it" has become standard practice for engineers. But data shows that 45% of AI-generated code contains security vulnerabilities. The p
10x Faster, 90% Cheaper — The Magic of Prompt Caching
Every time you send a message to an AI, the system re-reads everything you've ever said in that conversation. Imagine calling customer support and having to re-
Three Letters That Power Modern AI — What Q, K, and V Actually Do
ChatGPT, Claude, Gemini — every modern AI runs on a Transformer at its core, and the soul of the Transformer is the attention mechanism. It uses three matrices
AI That Optimizes Itself — The Birth of AutoAgent and Meta-Agents
If you thought having AI write your code was impressive, what comes next will force you to recalibrate your definition of "impressive": there is now an AI whose