Imaginary Numbers Are Real [Part 1: Introduction]

What this video covers

The first part of Welch Labs' series on imaginary numbers, presenting them as the natural extension of the number line into two dimensions. It covers the history and the math with strong visuals.

Why it surfaced in Hacker News

HN commenters rate the series as some of the best visual teaching on complex numbers and recommend it for building intuition.

Recommendation context

Short excerpts from positive mentions. Open the source to read the full Hacker News discussion.

“The greatest audiovisual content on the topic I have ever seen”

“Welch Labs has a wonderful series on youtube on imaginary numbers”

“Great explanations, engaging content and high production value.”