Voronoi diagrams and natural neighbor interpolation [video] (with transcript)
blog.mikebourgeous.com
blog.mikebourgeous.com
That gem was created for this video, which tries to explain the algorithms and applications behind the animations.
I submitted my blog post with a transcript for the video, but you can get to the video directly here: https://www.youtube.com/watch?v=jxOAU7YfypA