Aluminum foil is said to be not absorbing light at all. It reflects light. So, does it mean that a more shiny aluminum foil will reflect more light and thus make the room more cooler as compared to less shiny foil?
If yes, then where does unreflected light go in case of less shiny aluminum foil?
Does less shiny and more shiny actually make a difference? Why?
In order to keep whole room cool will it help if I stick the foil to the outside of wooden door (exposed to the sunlight) too?
