An interlude of false innocence has passed. Today, as we enter the post-photographic era, we must face once again the ineradicable fragility of our ontological distinctions between the imaginary and the real, and the tragic elusiveness of the Cartesian dream. We have indeed learnt to fix the shadows, but not to secure their meanings or to stabilize their truth values; they still flicker on the walls of Plato's cave.

That's not a utopian vision. It is a set of ideas that we think are important to discuss. Those ideas largely have to do with sustainability of cities. The ability of cities to, over time, remain in balance with the resource streams that are available to them, and they have to do with social justice and equity of the fundamental conditions of satisfactory citizenship.

Most automobiles spend about 80 percent of their time sitting around doing nothing. They're gasoline powered; they go to very high speeds, which in fact, under urban conditions, you don't need. These high speeds generate enormous safety requirements and so on and so forth. Now you can incrementally tweak the automobile. You can make the power train more efficient and you can enhance safety and all of these sorts of things that are very worthwhile.

The essential characteristic of digital information is that it can be manipulated easily and very rapidly by computer... Computational tools for transforming, combining, altering, and analyzing images are as essential to the digital artist as brushes and pigments to a painter.

We are surrounded by pictures; we have an abundance of theories about them, but it doesn't seem to do us any good. Knowing what pictures are doing, understanding them, doesn't seem necessarily to give us power over them.

Everybody thinks an automobile needs an engine. Well, an automobile doesn't necessarily need an engine. What we do is shift electric motors into the wheels of our automobiles and so we have a completely different kind of thing where we have four independent intelligent wheels rather than a traditional internal combustion engine and power train and so on.

We [MIT Smart Cities research group] try to identify the fundamental underlying design assumptions that everybody takes as a sort of given and unchallengeable when you think about solving these problems. And we try to challenge those assumptions.