If our technological society collapsed tomorrow, what crucial knowledge would we need to survive in the immediate aftermath and to rebuild civilization as quickly as possible?
Ask yourself this: If you had to go back to absolute basics like some sort of post-cataclysmic Robinson Caruso, would you know how to recreate an internal combustion engine? Put together a microscope? Get metals out of rock? Or produce food for yourself?
from Peak Prosperity http://ift.tt/2iTRPJ5
