Olafur Eliasson creates art from a palette of space, distance, color and light, his works tend to involve each viewer in his or her own unique experience. In this video he talks about an experiment in the nature of perception, it was recorded during his TED lecture. Click here to read comments (or translation subtitles provided by TED).
www.olafureliasson.net
www.ted.com
it is what it is 