The first priority after any cataclysm is securing basic biological needs. Without a caloric surplus, human labor cannot be diverted from scavenging to rebuilding.
Find a stream. Build a breastshot wheel (wood, iron nails, grease from animal fat). Connect it to a line shaft—a rotating wooden beam across the ceiling of your workshop. Via leather belts, that one wheel can run: The Ultimate Guide To Rebuilding Civilization
It’s 2035. A perfect solar storm, or a rogue AI, or a super-virus has done the unthinkable. You survive. You wake up to a world without electricity, without running water, without Amazon Prime. The "before times" are now just fading memories. The first priority after any cataclysm is securing
This is the fun part. You can’t build a microchip factory overnight, but you can build a waterwheel. Build a breastshot wheel (wood, iron nails, grease
Print this guide. Hide it in a Faraday cage (a metal trash can lined with cardboard). Teach your kids how to knap flint, how to graft an apple tree, and how to read a star chart.