Truly mind blowing. A few days ago I found this animation [1] that shows it in motion

[1] https://www.reddit.com/r/educationalgifs/comments/17squg1/ho...

Smarter Every Day on Youtube has a couple of videos on this topic that are worth seeking out, especially if that animation whet your palette.

This one: https://www.youtube.com/watch?v=VPSm9gJkPxU

Imo the explanation is also done better than in the article.