A prelecture video can be made more engaging with a lightboard. With this method, an instructor presents material in a video while directly facing the camera and writing on a transparent screen in front of them. We present instructions for constructing an inexpensive removable desktop lightboard that can be stored as smaller pieces. We share tips…

Video lectures are increasingly being used in physics instruction. For example, video lectures can be used to "flip" the classroom, i.e., to deliver, via the Internet, content that is traditionally transmitted by in-class lectures (e.g., presenting concepts, working examples, etc.), thereby freeing up classroom time for more interactive…

This article has two goals: (1) To convince you that you should use web-based videos outside of class for the transmissive, but necessary, portions of your lectures, and (2) to convince you that "you can do this yourself without an unreasonable burden of time or effort."

When a college instructor goes out of town and must miss a lecture, the standard options are to cancel the class meeting or to enlist a colleague to fill in. In the former case a teaching opportunity is lost; in the latter the substitute may not lead the class in the same way as the instructor. Some students routinely skip lectures by a guest…