I remember learning Psychrometrics in college. It was in one of my early chemical engineering classes and was really just a footnote to our main syllabus. The Professor was walking through it on the chalkboard, and explaining this and that; I thought that it seemed rather intuitive and unimportant to my career path (the irony!). I stopped taking notes and decided to sit back and try to reason through it. Somewhere mid-lesson I must’ve started daydreaming because suddenly the bell rang, and class was dismissed. I didn’t look further into it.
A few weeks later, we had our midterm. I had studied everything in my notes. So naturally, about 90% of the mid-term was based on psychrometrics. I thought, “no big deal, I remember enough of...