A breakthrough has been made in the area of material design – one that challenges the commonly held view on how the fundamental building blocks of matter come together. Scientists have shown that the granular building blocks in copper can never fit together perfectly, but are rotated causing an unexpected level of surface roughness. This behavior, previously undetected, will have important implications for how materials are designed.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2017/07/170727141947.htm
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