I always thought I had mastered my favourite subject (mathematics) since I had graduated and received a title as an engineer. When I was at school, I always entertained the idea that once you finish your career you know everything you need to work on your profession and then you can proceed to the next step. Whatever a next step is.
I thought I had “made it” and I shouldn’t worry about “looking back” to review what I supposedly knew so well. But I was surprised when I tried to enrol in an advanced quantum mechanics class, they asked me to take an online test to see my “level”, since this class was only for “advanced students”. And they expected us to have a certain level in order to deal with the concepts without having to “explain the basics” to the no initiated. Continue reading