Radius of Curvature Proof - approximating a curve with a circle!
8:12
Radius of Curvature Proof
11:58
How to Get to Gaussian Curvature Naturally
16:17
The clever way curvature is described in math
19:34
Proving the curvature formula for a parametric plane curve
10:36
The Mathematics of String Art
1:28:15
Lecture 15: Curvature of Surfaces (Discrete Differential Geometry)
31:10
the geometry of the third derivative
25:06