Some Rocks Are Natural Solar Panels, Converting Light To Electricity
Before human race built solar cells to turn light source into electricity and maybe even before plants stored it as chemical energy , rocks were doing the same thing . The first examples of raw but non - biological changeover of light to electrical energy have been found , and it seems it is actually common , taking place on surface covering of rock find in Taiwanese deserts . The process may even play an important part in making the Earth inhabitable ....