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no one-dimensional curvature in the R direction in Polar Land. In terms of our resized pieces this means we can thus conjoin our two columns side by side without bending or rotating them. Meanwhile the fact that the second component tells us that the theta lengths do change across Polar
Conceptualizing the Christoffel Symbols: An Adventure in Curvilinear Coordinates
no one-dimensional curvature in the R direction in Polar Land. In terms of our resized pieces this means we can thus conjoin our two columns side by side without bending or rotating them. Meanwhile the fact that the second component tells us that the theta lengths do change across Polar
Conceptualizing the Christoffel Symbols: An Adventure in Curvilinear Coordinates