Wolf Lieser, who is the founder of the DAM Gallery in Berlin, is exhibiting his cabinet of curiosities (Wunderkammer in German) at the gallery. And there is among the digital works being presented, the piece by Flavien Thery entitled, “Les contraires”. It is a kind of coloured prism with the look of a re-composed screen whose appearance changes depending on the point of view, as it does in sculpture. By disassociating the light source from the screen’s filter, the French artist, whose work focuses on the relationship between art and science, invites the spectator to move around in the space. This piece, which questions vision, corresponds entirely to the constructions in perspective that the Italian Humanists of the Renaissance collected in their studioli. “Where is the information that makes the coloured surfaces vary on the plane, in space or at the source?” asks the observer scrutinising the sculptural object whose artistic qualities are inherent to the pertinence of the questions it raises. Because it is the observer who, in moving about in space, makes the work, while the work itself in exchange, questions the observer via its multiple realities.