text: Automobiles, the plugs to the sinks of the streets of the world, seem to clog up the efficient system of transportion.  Parents, workers, and athletic kids alike are affected by the large number of cars on the road.  By reducing the number of cars on the road, there would be a direct impact on our environment, emotions, and future generations.    You´re in chemistry and you have no idea what the teacher it talking about. This is the third time this week going over chemical equations and the fact that you still don´t understand it, is embarassing. So you don´t ask for help. What if the teacher knew based soley on your facial expressions? Using the Facial Action Coding System in a classroom would be valuable to students who are unconfident in asking questions and to students who really care about their education.