: Segregate waste to prevent cholera outbreaks. Fire : Master the bow drill and chimney construction. Phase 2: Mechanical Advantage Multiply human effort using basic physics. Simple Machines : Rebuild the pulley, lever, and screw. Water Power : Build water wheels for milling grain. Wind Power : Construct basic turbines for pumping water.
These three pillars allow you to move beyond basic survival: : Hardens clay into pottery and bricks. The Forge : Smelts metal for tools and plows. The Mill : Converts water or wind into mechanical energy. 🛠️ Step 1: Chemical Foundations You cannot have modern tech without basic chemistry. The Ultimate Guide To Rebuilding Civilization