From our friend Andrée at meeyauw:
An informative and beautifully produced YouTube mathematics hit. There is a YouTube link, where you will find a link to the original source of the video. You can download the video to your own drive. You really should watch this, even if you don't like math (gasp).
Well, we at CatSynth of course love mathematics, and appreciated this video. It is about Möbius transformations, an important concept involving complex numbers and geometry. You can watch the video below: