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Blog post: ajb: Artificial snow flakes

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David Griffeath (University of Wisconsin-Madison) and Janko Gravner (University of California, Davis) have a computer model based on diffusion-limited aggregation that can simulate snowflakes. Their images look very real and demonstrate the wide variety of snowflakes found in nature.

 

 

 

Below are some of their snowflakes:

 

 

 

snowflake-1.jpg

 

 

snowflake-2.jpg

 

snowflake-6.jpg

 

 

snowflake-13.jpg

 

A PDF slideshow of 40 such snowflakes can be found here.

 

 

 

Links

 

 

 

Gravner-Griffeath Snowfakes

 

 

 

AMS Mathematical Imagery

 

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