A sense of harmony and proportion has traditionally been achieved in architectural compositions by using the dimensions of the human body as the starting point. Modern technology now enables us to go beyond these physical dimensions into a virtual world, and this poses a challenge to architecture as we usually perceive it. Interactive, flexible and intelligent models are being called for. Whilst technology is taking us into the realms of virtual reality, architecture on the other hand, is becoming more corporeal. "Postorganic" is the term being used to express this merging of the body and architecture brought about by electronic media. A radical change in perspective is blurring the distinction between the organic and mechanic, and the artificial logic of the computer and the natural logic of man are fusing together