I also found it extremely useful at refreshing my understanding of arbitrary science concepts in playful manner, while doing chores and errands, making food etc.
One surprising thing is that my AirPods Pro could obviously deliver my voice to it quite clearly, even with the hoover going! I've never tested them under those conditions and assumed it wouldn't work.
Nice, yea I think the AirPods Pro got some of the best noise cancelling out there