At UniVienna I lecture Polymer Theory, co-teach Master's and Bachelor's Statical Mechanics Lab Courses and lead exercise classes for Advanced Statistical and Soft Matter Physics. My other teaching experience is listed in my CV.
"I explained the best way I could, but they didn't get it. So I explained again, but they still didn't get it. The third time, I explained it so well that finally - I understood it myself."
Here is one of my experiences with live science popularisation - or was it a stand-up? (in Slovak)