The key to an effective scientific presentation is having the audience think along with you, and that is really just the essence of interest. You need to be able to get the interest of a fair-sized audience possibly by establishing your expertise, but this initial interest is an advance payment by the audience and therefore needs to be repaid in the course of the presentation with some way of thinking about a problem that the audience is not only familiar with by the end of the lecture but are themselves also in a position to apply. Read more…