"Flip teaching" means that the lectures are recorded and made available online beforehand so that time in-class can be used for more interactive activities.

It doesn't have anything to do with his orientation to the viewer, and in fact does not even solve the issue of orientation because his setup even allows for live streaming of lectures.

It's actually fixed with a simple mirror: https://a970e7ea-a-62cb3a1a-s-sites.googlegroups.com/site/no...