The Rise and Fall of Quaternions: Why We Use i, j, and k in Vector Calculus | Deep Dive Maths
39:07
Quaternions
51:16
Why can't you multiply vectors?
55:36
How Maxwell's Equations (and Quaternions) Led to Vector Analysis
13:39
The Remarkable Relationship between the Levi-Civita Symbol and the Kronecker Delta | Deep Dive Maths
12:25
Fantastic Quaternions - Numberphile
31:51
Visualizing quaternions (4d numbers) with stereographic projection
45:04
Why There's 'No' Quintic Formula (proof without Galois theory)
11:35