The word "vortex" seems to be popular among pseudo-math/science people; we've run into some pretty bogus stuff under the heading of "Vortex Based Math" and "The Solar System is a Vortex!"

We've written up an analysis of both of these crackpot ideas, and you can find them here: The Vortex.

Also we created, for those who enjoy geometric figures, our very own Vortex-N-k app, which allows you to create all sorts of pretty designs just be changing a couple numbers.