Buffy Sainte-Marie

But in the old days, visual artists used to fall into two distinct categories: those of us who created images with cameras and those of us who applied stuff onto other stuff, with brushes or other tools.

Supplying fuel for a Mars expedition from the lunar surface is often suggested, but it's hard to make it pay off - Moon bases are expensive, and just buying more rockets to launch fuel from Earth is relatively cheap.

It is only when you watch the dense mass of thousands of ants, crowded together around the Hill, blackening the ground, that you begin to see the whole beast, and now you observe it thinking, planning, calculating. It is an intelligence, a kind of live computer, with crawling bits for its wits.

My work is all about how we consume. To me it's important to know where things come from. Generally, our products today are so cheap, you know there's something wrong. Things are not made in a good way. I want to make things that are. I want to make the story behind products visible.