If I ever have to survive a post apocalypse type event I'm sure my (theoretical) knowledge of blacksmithing, gasification, woodworking, permaculture and micro-hydro will come in useful.
Until that time I've no idea why these things (and many more I didn't mention) tickle that part of my brain which makes me want to learn everything there is to know about a subject.
Until that time I've no idea why these things (and many more I didn't mention) tickle that part of my brain which makes me want to learn everything there is to know about a subject.