Why does a wet khus-khus screen hung at the door keep the room cool?
Water from wet khus-khus screen evaporates and takes the latent heat of evaporation from the air entering the room and thus makes it cool. This cool air makes the room cool.
Why does a wet khus-khus screen hung at the door keep the room cool?
Water from wet khus-khus screen evaporates and takes the latent heat of evaporation from the air entering the room and thus makes it cool. This cool air makes the room cool.