> Go watch the 3-blue-one-brown video on visualizing quaternion rotation, and try to really appreciate how abstract and hard to understand that is That video w

> Go watch the 3-blue-one-brown video on visualizing quaternion rotation, and try to really appreciate how abstract and hard to understand that is That video was not actually very good unfortunately (surprisingly, I might add). I doubt it helped people understand the matter much but just repeated the old "weird incomprehensible 4d number" story.