Explore the fascinating world of biomimetic materials in this lecture on the smart light reflectors of the scarab beetle Chrysina gloriosa. Delve into the unique optical properties of this beetle's exoskeleton and learn how its structure inspires the development of advanced photonic materials. Discover the principles behind the beetle's ability to selectively reflect circularly polarized light and understand the potential applications of this natural phenomenon in fields such as optics, materials science, and engineering. Gain insights into the interdisciplinary nature of soft matter physics and its connections to biology, as demonstrated through the study of this remarkable insect's adaptations.