I'm looking for references to applications of the Hairy ball theorem.
This is a result of mathematics (topology), but I am interested in applications.
I already visited wikipedia and cited references, but I need a little more explanation in magnetic fields, meteorology and applications in computer graphics. If any other application would be excellent.
I've also read some questions on this site and some articles uploaded (an article of John Milnor for example, in math.stackexchange), but none deals specifically with applications.
Maybe it's a bit difficult because I seek not know much about magnetic fields or computer graphics, but I'm just interested
I would like to know if this result is really effective to model these situations, it is mentioned briefly in some texts, but not how they actually work.