You can start the lecture by clicking here
Please note, the map has been rendered as a static image in that slideshow to obviate the need for a web server. If you download (or clone) this repo and open queries.html in your browser, the map will be interactive.
This lecture also makes use of this jupyter notebook. The demonstration links to a static rendering of the notebook; however, if you look in that repository you will find directions on how to make it active and dynamic.
I hope you enjoy and any questions are always welcome.