Crushing a brittle porous medium such as a box of cereal causes the grains to break up and rearrange themselves. A lattice spring model based on simple physical assumptions gives rise to behaviours that are complex enough to reproduce diverse compaction patterns.
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Vandewalle, N. Brittle for breakfast. Nature Phys 11, 802–803 (2015). https://doi.org/10.1038/nphys3455
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DOI: https://doi.org/10.1038/nphys3455
