Vacuum energy: conclusion on its use… danger? Econologie.com » Downloads » Vacuum energy: conclusion on its use… danger? July 2, 200418th May 2016 Christophe Scientific and philosophical conclusion of the large-scale use of free energy by Arthur C. Clarke Please! Download file (a newsletter subscription may be required): The energy of the vacuum: conclusion on its use. On the same subject :The Kyoto Protocol: the complete and complete textFree energy and Tesla, unknown geniusPhotos and plan of a wooden solar houseThe energy of the vacuum: presentation, testimonies and scientific debateEurope: CO2 emissions by country and by electric kWhSolar refrigeration: solar refrigeration and air conditioning by adsorptionFree energyInsulate to avoid energy loss in your home!