THE VIDEO SHELF · complex numbers
Imaginary Numbers Are Real [Part 1: Introduction]
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 HN readers recommended it
HN commenters rate the series as some of the best visual teaching on complex numbers and recommend it for building intuition.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- Welch Labs
- Topic
- complex numbers
- Format
- course
- Level
- intro
- HN recommenders in dataset
- 7
- HN mentions in dataset
- 9
- Recommendation years in dataset
- 2017–2025
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
The greatest audiovisual content on the topic I have ever seen: Part 1 - [VIDEO] Part 2 - [LINK] Part 3 - [LINK] Part 4 - [LINK] Part 5 - [LINK] Part 6 - [LINK] Part 7 - [LINK] Part 8 - [LINK] Part 9 …
pedrodelfino on Hacker News · 2017-08
In Imaginary Numbers Are Real – YouTube SeriesWelch Labs has a wonderful series on youtube on imaginary numbers, "Imaginary Numbers Are Real": [VIDEO] I like to tell my kids that imaginary numbers aren't really imaginary .. that in many ways they're more real than the Reals.
rrauenza on Hacker News · 2017-12
In What are the complex numbers, really?Welch labs has an amazing series on complex numbers called “imaginary numbers are real”. Great explanations, engaging content and high production value. [VIDEO]
wodenokoto on Hacker News · 2021-09
In A layman’s guide to recreational mathematics videos
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.