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Visualizing the 4d numbers Quaternions

3Blue1Brown · 6 HN recommendations

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3Blue1Brown builds visual intuition for quaternions, showing how to think about this four-dimensional number system using stereographic projection and rotations in 3D space. It is part one of a two-part series with an interactive companion site.

Why HN recommends it: HN commenters recommend it as the best visual explanation of quaternions and a good way to visualize higher dimensions.

“He does a great job of explaining quaternions though visual intuition.” Read on HN ↗