In addition to a PhD in physics, I'm a black belt (twice over), play violin (and have since I was 5), I've chased tornadoes with the pros, blown up cars in the name of 'science' (it was as awesome as it sounds), and I've worked as a model and actor (even grad students need to pay the bills).
One PhD in physics, 8 years designing science museum exhibits and countless hours spent cultivating a social life with non-socially awkward nerds later, here's what I know: