For the sake of sanity, the brain and the eyes keep things simple. But take away the sense of sight and suddenly things are not so simple.

My goal is to formulate a new color theory based on the full spectrum of visible light.

I myself have already spent a third of my life in Germany, first in Cologne and then, since 1994, in Berlin.

By bringing Little Sun to Tate Modern and the London Olympics, I hope to realise an art project for those who typically have no access to global events of this scale.

In the past Berlin was much more radical and extreme and now it's becoming much more of a conventional European city.

I was interested in how we engage the world. How do we use our skin as our eyes? If you read a cityscape or a landscape with just your mind, and not your body, it becomes like a picture or representation, not something you really engage with.

There are 1.3 billion people today who have no access to electricity. Many of them rely on kerosene lanterns for light, but kerosene is both expensive and hazardous to the health.