Chang Group attends the 59th Int. Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication in San Diego, CA. Abhijeet and Joong Hee each gave well-received talks on stretchable transparent conductors using nano-accordion structures and controlling cross-sectional wrinkling profiles of metallic thin films, respectively. Abhijeet also presented a poster on mechanical properties on nanolattice materials.