Thank you ! I've been so looking for this article, I was totally amazed when I first read it (back in 2013, I guess). I think it's one of the best math explanat

Thank you ! I've been so looking for this article, I was totally amazed when I first read it (back in 2013, I guess). I think it's one of the best math explanations (or rather, visualisations) that I've ever seen.