(testing signal)

Month: September 2018

Visualizing quaternions (4d numbers) with stereographic projection

How to think about this 4d number system in our 3d space.
Part 2: https://youtu.be/zjMuIxRvygQ
Interactive version of these visuals: http://3imaginary1real.com
Help fund future projects: https://www.patreon.com/3blue1brown
An equally valuable form of support is to simply share some of the videos.
Special thanks to these supporters: http://3b1b.co/quaternion-thanks

Quanta article on quaternions:

The math of Alice in Wonderland:


If you want to contribute translated subtitles or to help review those that have already been made by others and need approval, you can click the gear icon in the video and go to subtitles/cc, then “add subtitles/cc”.… Read more...