i'd like to think we could all learn by hands on methods how basic logic and physics/engineering work... then again, it might be a little pollyanna for me to think that lol...
my dad was a tinker, and he taught me invaluable lessons about simple physics, etc...not may folks do it now, they call someone else to do the heavy lifting, so to speak... my girlfriend was talking about how her husband isn't at ALL like our dads generation in regards to 'doing it yourself' and figuring out details, problem solving etc...lol i learned how to pick a lock and what tumblers were by the time i was 10, i knew about putting a block behond the car wheel when you jack it, i learned how to change oil... but ya, i'm a freak 
yes, it is cool that at least there are still folks who have the know how to figger things out like this - those are the ones you want on your team during the zombie apocalypse! 
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