Change the direction of light without a mirror? Separating a light source into different colors? Or discover why the sky is blue, the sun yellow and the clouds white? At the time of the Ghent Light Festival, Professor Philippe Smet explains how you can play with light yourself!
Professor Philippe Smet of Ghent University (Faculty of Sciences, Department of Solid-State Sciences) has been researching light for 20 years. So, he is the man to explain exactly what light is.
A simple question, but one with a not so simple answer. Or, to be precise, no single answer. To a physicist, light has a very different meaning to, say, a philosopher. Three scientists shine their own light on light.
