Optica - Butterfly-inspired films create vibrant colors while passively cooling objects:
https://phys.org/news/2023-08-butterfly-inspired-vibrant-passively-cooling.html
#Nanostructures #CoolingFilms #Reflectivity #Color #Butterflies #Mimicry #TitaniumDioxide #AluminumDioxide #Silver #Photonics #MaterialsScience