The Torsion of a Curve
22:44
Geometric Integrals - a Fundamental Concept to Be Accepted on an Intuitive Basis
18:18
The Curvature of a Curve, Its Principal Normal, And Its Osculating Plane
18:40
Hypersurfaces, Unit Normals, and Signed Curvature
22:41
The Geometric Expression for the Arc Length of a Curve
24:10
Tensor Calculus 21: Lie Bracket, Flow, Torsion Tensor (contains error; see pinned comment)
16:31
From Physical to Arithmetic Integrals - How to Achieve Invariance
29:19
A brief review of curves and integration over curves.
14:09