It’s the hard to beat the eery feeling of studying Wolfram’s Rule 30.

Just eight rules applied to a one-dimensional cellular automata generate a pattern that bears a profound resemblance to the Conus Textile snail’s shell.
And when you study the simple variants it’s all quite compelling to just think about.
Just visit http://atlas.wolfram.com/01/01/30/ to see more. —JM
An associated video I made for my YouTube channel: