The Torsion of a Curve

[@zubairkhan-en6ze]

Very clear and comprehensive lecture

[@alegian7934]

he's back!!

[@Pluralist]

[@willclarke4631]

Do what we can and see where it takes us. That’s a lot of normal.

[@MathTheBeautiful]

One might even call it the principal normal

[@skeptical_Inquirer200]

Lectures 35 and 36 are in the wrong order.

[@MathTheBeautiful]

Fixed, thank you!