Every now and again I think back to my time in art school and some of the more interesting classes I attended while there. All students were required to take classes in disciplines like drawing, photography, painting, printmaking, design, and sculpture, but we were also able to choose more advanced classes in those areas as well. Sometimes I would pick things that just sounded cool, like metal casting (who wouldn’t want to start the forges, dress up in shiny silver colored heat protective suits and work with molten aluminum?). As fun as it was, I recall a review session where...