I sometimes get asked what it is that professors in universities actually do. The question is usually raised when someone realizes that at a major research university, most professors teach two classes a semester. Classes tend to involve three hours of class time per week. But that means a professor is in the classroom only six hours a week. Is this a full time job? Are you serious?? And on top of that you have tenure so that you can, for all practical purposes, never get fired? Hey how can *...