The creation of an intellectual world apart from a material world has advantages, such as assisting the division of labour, yet creates problems when trying to combine the two, as happens when considering the cultural context of architecture. Questions about people and their surroundings as a culture require explanations that no single discipline could hope to honestly provide. Architecture has traditionally managed by treating the material world as science whilst offering designing as art or history but this duality is becoming harder to maintain 'thanks' to more than one hundred years of psychological explorations into perception.