Excellent video on coodinates and Christoffel symbols and map-territory stuff

I found this video to be quite excellent in all kinds of ways, not the least of which being the polar bear.

Conceptualizing the Christoffel Symbols: An Adventure in Curvilinear Coordinates

https://www.youtube.com/watch?v=TvFvL_sMg4g

[yt]https://www.youtube.com/watch?v=TvFvL_sMg4g[/yt]

Drives home a lot of topics that came up about general relativity and geometry.

via International Skeptics Forum https://ift.tt/YQvVF6k