image: Pyramid: vibration of a pyramid structure excited by three piezoelectric thin-film actuators. This material relates to a paper that appeared in the Sept. 14, 2018, issue of Science Advances, published by AAAS. The paper, by Xin Ningat University of Illinois at Urbana-Champaign, Urbana, IL, and colleagues was titled, "Mechanically active materials in three-dimensional mesostructures." view more
Credit: Jose Vazquez and Xin Ning