The goal of the project is that people build as much solar fire as quickly as possible, with us, on their own, with other organizations, whatever. In this section we try to represent everyone using the solar fire machines. As far as we know there are : 1 Helios, 1 dryer Hélios & 1 butterfly in Bamako (Mali) 1 Vesta in La Havane (Cuba) Few Helios & Vesta in Oaxaca and Chiapas (Mexique) 8 solar concentrators Batant & Vesta in France In 2009, Nils got a grant to build a (...)