Norman Doors: Don't Know Whether to Push or Pull? Blame Design.
: A door represents a threshold between states of being—the end of one action and the beginning of another. DoorsHD
: Archaeologists in Zurich, Switzerland, discovered a wooden oak door estimated to be roughly 5,000 years old (dating back to 3063 B.C.), preserved by the area's unique conditions. Evolution of Design and Technology Norman Doors: Don't Know Whether to Push or Pull
Beyond their physical utility, doors have deep metaphorical roots in culture and literature. DoorsHD