I guess I'm lucky - being an engineer gives me a license to carry strange tools and do things no one understands. (No one really understands what, if anything, I do in my job!)

On a car trip last week, I polished the bottom of soda can with toothpaste for over an hour before someone finally asked me if I was "making one of those stoves or something" And no, I never got it shiny enough to start a fire.