The introduction of crystalline defects experimentally reveals elusive signatures of topological phenomena in acoustic metamaterials.
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Serra-Garcia, M. Topological properties that can be heard. Nat. Mater. 21, 385–386 (2022). https://doi.org/10.1038/s41563-022-01225-1
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DOI: https://doi.org/10.1038/s41563-022-01225-1
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