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Blocking the symmetry of motion

15 Feb 2017
Simulation of non-reciprocal, mechanical metamaterial, illustrating how the right side moves when pushing the left, but the left side moves less when pushing on the right
One direction: metamaterial containing squares and diamonds overcomes mechanical reciprocity. (Courtesy: Cockrell School of Engineering, University of Texas at Austin)
A mechanical metamaterial that responds strongly to motion from one direction, while blocking it in

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Tim Wogan is a science writer based in the UK
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