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Engineers and scientists at The University of Texas at Austin and the AMOLF institute in the Netherlands have invented the first mechanical metamaterials that easily transfer motion effortlessly in one direction while blocking it in the other, as described in a paper published on Feb. 13 in Nature. The material can be thought of as a mechanical one-way shield that blocks energy from coming in but easily transmits it going out the other side.

Andrea Alù and David Pan, professors at Texas ECE, have been elected to the grade of fellow of the International Society for Optics and Photonics (SPIE). SPIE is an international society advancing an interdisciplinary approach to the science and application of light. The society advances emerging technologies through interdisciplinary information exchange, continuing education, publications, and patent precedent.