Pattern formation: Spiral cracks without twisting

Abstract

A fascinating class of patterns, often encountered in nature as meandering cracks on rocks, dried-out fields and tectonic plates, is produced by the fracture of solids. Here we describe the observation and modelling of an unusual type of pattern consisting of spiral cracks in fragments of a thin layer of drying precipitate. We find that this symmetry… (More)
DOI: 10.1038/35065517

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