On Thursday November 15 at 20h Professor J. Appelbaum (Tel Aviv University) gave an interesting lecture with the title: ‘Solar Radiation on Mars & Application of Photovoltaic Cells’ or in other words: where does the Mars Pathfinder its energy, can we make this cars drive right here or is the situation on Mars too different. The lecture took place in the building of Electrabel Leuven. This seminar was organized in cooperation with KVIV.