Understand uncertainty
What does a probability let us conclude?
- NOTESMathematics ↗
- ESSAY · ZHWhat is probability? →
- PROJECTZero Reagent →
Academic / Knowledge Tree
Connect disciplines
Build a knowledge system
A connected knowledge tree spanning 16 disciplines across nature, technology, society, and the humanities.
16Disciplines
04Knowledge branches
02Core focus areas
∞Continuously connected
Start with a question
Three editorial routes through notes, essays, and projects—not prerequisite courses. Essays are in Chinese.
Build reliable systems
How do we define what a system may do?
- NOTESComputer Science ↗
- ESSAY · ZHWhy start read-only? →
- PROJECTDexiaoxin AI →
Bring technology into organizations
What turns a working principle into a system that lasts?
- NOTESEngineering ↗
- ESSAY · ZHFrom breakthrough to production →
- PROJECTDexin Nebula →
KNOWLEDGE ATLAS / 16 DISCIPLINES · 75 FIELDS
See knowledge in perspective
Two families, four branches, and the questions that connect them
Slow orbit · Drag to rotate · + / − to zoom · Select a node
Connections show this knowledge tree's editorial hierarchy, not course prerequisites. Subfields link to their parent discipline's Notion notes.
Sixteen ways to keep exploring
Industry Research
From disciplines to real-world industries
Understanding how technology, organizations and value connect
Seven research areas · Original-language Notion notes
CONSUMER
Consumer
Staples, durable goods, consumer services, automobiles and entertainment
INDUSTRIALS
Industrials
Machinery, materials, energy, logistics and aerospace
TECHNOLOGY
Technology
Semiconductors, electronics, software and telecommunications
FINANCIALS
Financials
Banking, securities, insurance and professional services
HEALTHCARE
Healthcare
Medical services, pharmaceuticals and medical devices
REAL ESTATE
Real estate
Diversified groups, property development and real estate services
UTILITIES
Utilities & public services
Government, education, municipal and civic services, public safety and nonprofits
Original AI-assisted conceptual artwork, not field photography or project evidence