The Vault — Research
Recovery research
What it takes to rebuild after collapse. Public entries are open here; the full database backs the books.
3 entries in Water
Making water safe without power
The order of operations for drinkable water when the tap stops: source, settle, filter, disinfect — and the failure modes at each step.
Greywater reuse without poisoning your soil
Which household water is safe to route onto crops, which soaps quietly salt your ground, and the simple settling step most guides skip.
Catching and storing rain you can trust
Roof, first-flush, and storage — turning a rainstorm into weeks of water without breeding what lives in a warm barrel.