No, they are not about supersonic gliders, but they do a great job of explaining wing aerodynamics. The only question I have is what business did Shell Oil have in aviation?

https://www.youtube.com/watch?v=LSmqsg0DbTY

https://www.youtube.com/watch?v=ciIv_7WkPxQ

And here are some interesting implications in modern jets:

https://www.youtube.com/watch?v=bozyHzsvh9Y

Tom