Shadows in the context of research typically refer to the study of how shadows are formed, their characteristics, interactions with light, and how they can be used or manipulated in various applications such as computer graphics, photography, architecture, and art. Researchers in this area may investigate the physics of shadow formation, the perception of shadows by individuals, and the ways in which shadows can enhance or detract from visual experiences. They may also explore techniques for creating realistic shadows in virtual environments, analyzing the role of shadows in urban design, or studying the cultural significance of shadows in different societies. Overall, research on shadows involves multidisciplinary approaches that blend elements of physics, psychology, art, and technology.