Shiny surfaces are materials that reflect light, giving them a glossy or polished appearance. Common examples include metals like aluminum and stainless steel, as well as certain types of glass and plastic. These surfaces can enhance the aesthetic appeal of objects and are often used in design and architecture. The shininess of a surface depends on its texture and finish. Smooth surfaces reflect light more effectively than rough ones, which scatter light in different directions. This property is important in various applications, including automotive finishes and electronics, where a sleek look is desired.