image: Photograph of RSCF-based road guidance signs illuminated by vehicle headlights at night. This material relates to a paper that appeared in the August 9th, 2019, issue of Science Advances, published by AAAS. The paper, by W. Fan at Fudan University in Shanghai, China, and colleagues was titled, "Iridescence-controlled and flexibly tunable retroreflective structural color film for smart displays." view more
Credit: [Credit: Wen Fan <em>et al.</em>, Fudan University]