And somewhere between Lou Reed, Electricity, Marshal McLuhan, and Andy Warhol - I forget exactly the circumstances - I drew a comparison between the translucent walls of the Johnson Glass House, and the metallic-reflective walls of Warhol's silver Factory. They seemed like related opposites: spaces that were very similar, famous for the material surface of their walls that were both materials which both fascinated modern architecture. Both had qualities that embody modernity - transparency, reflection, flat and smooth, seamless, almost textureless, technological, industrialised, cold-to-the-touch and factory-formed into sheets from molten state. The Glass House and the Factory are like opposing twins.