Dendritic Opal - A crystal dendrite is a crystal that develops with a typical multi-branching tree-like form. Dendritic crystal growth is very common and illustrated by snowflake formation and frost patterns on a window. Dendritic crystallization forms a natural fractal pattern.
29 Gifs That Teach You Math Concepts Better Than Your Teacher Did
A fractal is a never-ending pattern. Fractals are infinitely complex patterns that are self-similar across different scales. They are created by repeating a simple process over and over in an ongoing feedback loop. This one is variously Sierpinski's gasket/sieve /triangle. Learn how to doodle one on Vi Hart's page.
Aerial photograph by Adrian Franco was selected as National Geographic’s Picture of the Day for April 9, 2012. In it we see the incredible fractal patterns rivers (now dried out) have made as they spread into the salt flats of the Baja California Desert in Mexico.