Using 3-D printers for the microrange, researchers have succeeded in creating a metamaterial from cubic building blocks that responds to compression forces by a rotation. Usually, this can only be achieved by transmission using a crankshaft, for instance. The sophisticated design of bars and ring structures and the underlying mathematics are now presented in a new study.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2017/12/171201104606.htm
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