Hervé Graumann

This series shows two surfaces which are cut together at the same time and the cut ups are exchanged

Anyone who wants to illuminate Hervé Graumann’s lamp with its four switches in series must first solve a problem of Boolean algebra, as it applies to digital circuits. Each switch has two positions, 1 or 0, on or off. From the position of the switch – up or down (u/d) – you cannot tell with…