@Lustig Andrei,
Lustig Andrei wrote:...Why is a PowerPoint presentation superior to a flip chart?...
I do not use Powerpoint and never have. I do not use flipcharts and never have.
Lustig Andrei wrote:...Or to the use of a chalkboard?...
I do not use a chalkboard and never have as I use a white-board.
Lustig Andrei wrote:But the whole concept of turning the classroom into a movie theater-cum-video arcade bothers me.
Regardless of how you may have seen others use/abuse video, you are extraordinary mistaken in your naive oversimplification of video as an either/or proposition. Sadly it's quite clear you do not understand how to use media in a real-time, in-class, teaching environment.
I use the white-board, two projectors, animations, a document camera, interactive video techniques, labs, shop, etc. I prefer the Socratic method and I teach physics mathematics, electronics, electricity and the like at the post high school level.