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
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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
Aging Is Not Just Getting Old: How Science and Nature Mapped the Body's Silent Revolution
Three landmark 2026 studies reveal aging as a coordinated, organism-wide remodeling: one-quarter of 536 cell types shift with age, gut bacteria disrupt brain memory via medium-chain fatty acids, and the NAD+/NADH redox ratio, not absolute NAD+ levels, may determine mitochondrial resilience in Alzheimer's disease.
Shooting Down Ideas Is Not a Skill: Why Your Team Criticizes but Never Innovates
Every team has that person—the one who can explain in three seconds exactly why your idea won't work. Over time, everyone learns the lesson: don't share ideas.
The Enterprise's Hidden Gold Mine — Google's 20-Year Secret Is Now Available to Everyone
Google, Amazon, Netflix — their real competitive moat isn't algorithms. It's the behavioral signal graphs they spent 20 years building.
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