Since we can't directly access the past or the future, the present seems to be all we've got. Yet Derrida denied the existence of the present. And physicists argue the present has no special status. Is the present an illusion? Or do we find in the present everything that is of value?

Author of The End of Time Julian Barbour, Lecturer in Philosophy at Queen's University Joseph Diekemper and author of Come to the Edge Joanna Kavenna examine the present.

From the Institute of Art and Ideas collection.