HackerTube / Video
Euler's formula with introductory group theory
3Blue1Brown

3Blue1Brown builds intuition for Euler's formula, e^(pi i) = -1, using the core ideas of group theory. It treats exponentiation geometrically as rotation and scaling instead of repeated multiplication.
Recommended as a mind-opening, visual explanation of why Euler's formula is true.
5 Hacker News mentions · 2017–2024