bladeless fan - Dyson

A remarkable innovation. I think this is certainly a result of a vision and a dream, to replicate nature and to truely command breeze. Presented to you by Sir James Dyson, an unconventional fan design that requires no turning blades or rusty routers. We dont have to worry about it turning slower and slower each year, or about the thick layer of dirt after that anymore.

Well, his explanation of how it works was clear enough, but I couldnt understand WHY it works. Times like this I just regret those days when I dont pay attention to my Physics teacher.