bent_that_way

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

I'm hoping to make a concerted effort to both meditate and journal every day. I began meditating this past year, and it has been a surprising boon to my overall well-being.