Let there be light: Germans switch on 'largest artificial sun'

Scientists hope experiment, which can generate temperatures of around 3,500C, will help to develop carbon-neutral fuelGerman scientists are switching on “the world’s largest artificial sun” in the hope that intense light sources can be used to generate climate-friendly fuel.The Synlight experiment in Jülich, about 19 miles west of Cologne, consists 149 souped-up film projector spotlights and produces light about 10,000 times the intensity of natural sunlight on Earth.Conti