3blue1brown’s videos are excellent. They build intuition in a calm and friendly way with an appropriate amount of useful animation. This is how we make mathematics accessible. I’m currently considering moving back into academia and there are a lot of topics in my field that I know students often struggle with that would be greatly helped by some simple animations. Fortunately I’m pretty competent with blender and I r…
He has an entire series on "the essence of linear algebra". I'm a PhD student in a technical field, and rewatch that series at least once a year. It's brilliantly accessible, clear, and visually explained. I recommend the series to anyone who asks me about anything to do with matrix operations