How math makes movies like Doctor Strange so otherworldly

Based on Alexis Wajsbrot’s job, what role does a visual-effects artist play in the making of a movie?
Based on this story, what’s a main tool that a special-effects artist might use today?
What is a fractal? Name examples of fractals in nature — things that look about the same up close and from far away.
What is the Mandelbrot Set and who was it named for?
Describe how the famous fractal known as “von Koch’s snowflake” is formed.
How does the concept of dimension help artists create more realistic landscapes using computer programs?
What two mathematical steps are repeated, over and over, in a Mandelbrot Set?
What is a Mandelbulb?
Give an example of how a Mandelbulb was used in a movie.
What qualities should a good visual effects artist have?