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Carlo Ratti and his colleagues at the SENSEable City Lab at MIT are doing as much as anyone to define a future of architecture. Ratti and I meet up at the Metropolis Congress in Sydney, where he has delivered a keynote on his projects, sandwiched between Saskia Sassen and Kathy Pain. Ratti’s presentation provided a strong counterpoint to Sassen’s impassioned yet personal world view, and Pain’s apparently analytical yet ultimately superficial ranking of cities. The work of his team was, in contrast, suffused with data emerging from the aggregate of millions of tiny signals. Yet it was often realised in lustrous visualisations that attempted the alchemy of transmuting data into information into knowledge, while shifting effortlessly from physical to digital to physical.

Ratti, an architect and civil engineer by training, has ended up creating new urban forms from mobile phone signals, the movement of bikes and digitally-controlled jets of water. My own work, leading on ‘urban informatics’ for Arup in Australasia, is also getting our business into unlikely places, at both ends of the ‘design food chain’ and hovering around this intersection between physical and digital. The name ‘informatics’ will change, surely, just as talkies became movies, and Ratti talks instead of a “living architecture”, “liberated pixels” and “physical plus”. Yet we, and many others worldwide now, are all wrestling with the promise of digital activity thoroughly permeating urban fabric.

Ratti is a tall, slender and slightly gangling arc of good-natured exuberance. He in no way belies Italian caricatures by gesticulating with a flourish as he talks, carving the air around him into sinuous forms, sweeping his hands to indicate progressive movements. Sitting in the culturally arid hub of Darling Harbour, we talk for a couple of hours, exploring the implications of this emerging field of design work, and how it may change the nature of both architecture, and also cities and buildings themselves.
Just as with Ratti, his projects emerge from an intrinsically multidisciplinary environment. The Water Pavilion, for the Zaragoza Expo, was produced by a team of engineers, architects, sociologists and physicists, and built by Siemens. The presence of the social science disciplines is particularly interesting, enabling a focus on user behaviour in far more detail than is often the case with the built environment. As Ratti puts it, designing public spaces that are infused with informational activity means absolutely addressing “a new type of space and a new type of (augmented) physical body”, which is why he sees sociologists as so important, to help quantify some of these changes, and to monitor and understand them.

I reflect that in industrial design and web design in particular it is far more common to have that sort of user research-led approach, but that it doesn’t often happen in architecture or urban design. Though some architects have frequently indicated the possibilities of introducing industrial design techniques into architecture, others respond that buildings are generally one-offs, that “each building is a prototype”, and not mass produced as cars are (leaving aside the so far largely unrealised promise of prefab).