Patterns in thin layers of agarose gel in a tube-in-tube experiment transformed into a 2D strip. Precipitation structures of Liesegang bands and helices in gel (left), diagramed (center), then represented as simulations (right, with precipitate shown in white).
From the article:
Probability of the Emergence of Helical Precipitation Patterns in the Wake of Reaction-Diffusion FrontsShibi Thomas, István Lagzi, Ferenc Molnár, Jr., and Zoltán Rácz
Phys. Rev. Lett. 110, 078303 (2013)
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