ANDREJ KARPATHY IS THE GODFATHER OF MODERN AIHe doesn’t use Notion. He doesn’t use Roam. He doesn’t use Obsidian plugins.He built his own second brain from scratch.I copied him exactly.The result:→ 378 notes→ 1,854 nodes→ 3,856 edges→ One custom 3D knowledge galaxy that thinks back at youThis isn’t note-taking.This is a second nervous system.Click any node - AI surfaces every hidden connection.Zoom out - you see your entire mind as a universe.Zoom in - you see why Fischer beating Spassky in 1972