This is not so muc a homework question as settling an argument: I have a clothes horse on which clothes can be hung parallel to each other roughly 50 cm apart. I place the clothes horse perpendicular to the radiator so the heat from the radiates along the length of the wet clothes. However my flatmate places the clothes horse parallel to the radiator so the heat must first radiate through one wet garment before getting through to the second garment. Can anybody help me with a scientific solution to this question. Any equations for working this out would be good but I'm mainly looking for a description as to which drying configuration would dry the clothes the fastest.