Because of his access to IBM's computers, Mandelbrot was one of the first to use computer graphics to create and display fractal geometric images, leading to his discovering the Mandelbrot set in 1979.
"Fractals are shapes we are extraordinarily used to in our subsconscious" [mr. Mandelbrot]. The clustering of galaxies.
Main picture from malinc.se/m/Mandelbrot.php
not yet, probably nobody cares, or nobody cared enough to tell something. Also: nobody reads komakino.