Mount Louis Solar furnace : A Solar furnace, it is before all a whole source of energy at high temperatures, from 250° to 3000°C, completely non-polluting, autonomous and inexhaustible ! Installed on a village scale a solar furnace is available to cook the pottery, the plates to eat, the bread, the building materials, melt whatever metal to make pots or tools to cultivate.... Come and discover how this French invention it's a really development way, without none pollution, for the two billions of human beings living on the tropics and don't have access yet to the electric comfort.