True Meaning of 2nd Derivative Test | Symmetric Tensors, Spectral Theorem, Principal Axes Theorem
9:39
Ambiguity With Partial ∂ Notation, and How to Resolve It
19:22
The Meaning of the Metric Tensor
19:27
How Paul Erdős Cracked This Geometry Problem | The Anning-Erdős Theorem
19:48
They Use ∂ Differently in Math and Physics. Which is Better?
14:36
A basic vector addition puzzle turns into an exciting dive into Euler's formula and Geometric Series
22:21
An Engineering Fairy Tale: Cascade Failure at the Super Kamiokande
45:07
How to Construct Every Symmetry | Decomposition, Extension, and Classification of Groups
22:59