Snowflake simulation #20 Poster

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A particular snowflake simulated for different values of the μ parameter using the Gravner-Griffeath reaction-diffusion model, which creates compellingly realistic snowflakes.

The snowflake’s radial symmetry is inherited from the hexagon grid on which it grows. Three different kinds of mass are simulated at different grid sites: ice, quasi-liquid and vapor. Initially, ρ amount of ice is initialized at a snowflake site and ρ vapor mass everywhere else. The model then transports and transforms a fraction of these masses by diffusion, freezing (controlled by κ) and melting (controlled by μ and γ). For example, during freezing a fraction κ of vapor at a boundary mass becomes ice and the remaining fraction 1–κ becomes quasi-liquid. Boundary sites around the snowflake become part of the snowflake through a process of attachment, which is controlled by the parameters α, β and θ, which act as cutoff values. Once a site be...

As a scientist, it is my responsibility not only to present work clearly, but to connect broadly by sparking imagination and enthusiasm for inquiry and understanding. To do this, science communication must engage both cognitively and emotionally. I try to make people think and feel good by creating visualization tools and information graphics that combine analytical clarity with an artistic dimension. During my work on cancer genomes, I created Circos, now a community standard for displaying information in this field. More recently, I introduced a method for rationally visualizing networks using hive plots. My information graphics have appeared in the New York Times, Wired, Scientific American and on covers of books and...

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All posters ship from our production facility within 3 - 4 business days of your order.