Metamaterials are composites with a very precisely controlled structure. It is this structure that determines the properties of the metamaterial, not the substances it is made of. Typically, a metamaterial consists of repeating identical blocks called unit cells. New research by Ph.D. student Shyam Veluvali, Prof. Anastasiia Krushynska, and colleagues from the University of Groningen, UMCG, and Karlstad University in Sweden show that the overall mechanical response of metamaterials depends on how many unit cells are joined together, and how they are arranged.
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