I don't know what Jupyter is, but I want to throw my dollar into your #2 hat - that's what I think makes the difference. I've earned paychecks teaching and pre

I don't know what Jupyter is, but I want to throw my dollar into your #2 hat - that's what I think makes the difference. I've earned paychecks teaching and presenting for more than ten years, and the powerpoint is just passive, as you said. You sit back. Your brain lulls as you wait to be fed information. I'm not necessarily opposed to it, but... Anything that can be manipulated - blackboard, open .doc file projected that you type into, or (maybe best) The Prop - gives a sense of the living tool. It's not the finished product; it's not your Auntie's knick-knacks. It's the living tool. And everybody wants to play with a new tool, even if it's just by asking a question so you'll modify a cell and re-run. Also, the real-time interaction of changing things in front of people gives them something more: a chance to glance around and take in social cues that are lost while everyone's passively staring at a powerpoint. Don't know why I wrote all that. Guess I'm preaching to the choir, and maybe I'm just spurring myself to move away from some of my own bad practices... or maybe, I'd love a little experiment, since my money's on #2. Ask a lecturer to give the same presentation, once with a blackboard, once with a powerpoint. And take a survey before and after both lectures (different participants of course) and see if there really is a difference. Anyways glad you've had some luck with your Jupyter notebooks! (Just looked them up - they seem really cool!)