What would you be capable of doing if a global catastrophe happened? One such as a pole shift that destroys much of the infrastructure, knowledge and people that know how to build things and how they work. Would you be able to recreate some of the things you would need to rebuild society if you had to start from scratch with only your knowledge to guide you?
source article Could You Rebuild Civilization?
On Rebuilding Civilization
source article Could You Rebuild Civilization?