I've been inventing things ever since I was old enough to walk. My first successful project was at 4-years old with a tin can, construction paper, and crayons. I built a number of units and went door-to-door selling my product for $.05 to $.10 each depending on the size of the tin can used. Back then the world seemed innocent and good - my mother apparently knew all the neighbors, but instructed me not to cross the busy street. Yes, at 4 years old lots of discoveries were waiting to be made and…