Learning engine

Learn civilization

Every domain can walk 0–19: why it matters through teaching another person. Modules cite sources when we have them; otherwise they say incomplete.

water

Step 0

Clean water: Why this capability matters

Step 0

Water treatment path

Step 1

Clean water: Foundations

Step 2

Clean water: Terminology

Step 3

Clean water: Safety

Step 4

Clean water: Tools

Step 5

Clean water: Materials

Step 6

Clean water: Components

welding

Step 0

MIG welding: Why this capability matters

Step 1

MIG welding: Foundations

Step 2

MIG welding: Terminology

Step 3

MIG welding: Safety

Step 4

MIG welding: Tools

Step 5

MIG welding: Materials

Step 6

MIG welding: Components

Step 7

MIG welding: Basic skill

turning

Step 0

Metal lathe: Why this capability matters

Step 1

Metal lathe: Foundations

Step 2

Metal lathe: Terminology

Step 3

Metal lathe: Safety

Step 4

Metal lathe: Tools

Step 5

Metal lathe: Materials

Step 6

Metal lathe: Components

Step 7

Metal lathe: Basic skill

milling

Step 0

CNC milling: Why this capability matters

Step 1

CNC milling: Foundations

Step 2

CNC milling: Terminology

Step 3

CNC milling: Safety

Step 4

CNC milling: Tools

Step 5

CNC milling: Materials

Step 6

CNC milling: Components

Step 7

CNC milling: Basic skill

housing

Step 0

Housing systems overview

agriculture

Step 0

Agriculture implements overview

food

Step 0

Food process literacy

energy

Step 0

Energy systems literacy

hvac

Step 0

Heat pumps & refrigeration literacy

shop

Step 0

Workshop planning

parts

Step 0

From stock to part

reproduce

Step 0

Machine reproduction

repair

Step 0

Repair as production

circular

Step 0

Circularity

electronics

Step 0

Electronics without a fab

comms

Step 0

Community networks

transport

Step 0

Mobility realism

lab

Step 0

Measurement culture

region

Step 0

Industrial regions

system

Step 0

Civilization OS literacy