Slightly OT, but I remember doing the Santa FE Institute's online courses on Complexity and finding them to be very solid on the topic https://www.complexityexplorer.org/courses
don't know how long she worked on that script (conveying the idea first, details later). it's the first time I really understood the basics of linear dynamics. super impressive.
This is very well-written. I often struggle with formal explanations of complex and abstract ideas, but the author is getting this across very well. Good stuff.