Scientists switch on 'artificial sun' in German lab
In this March 21, 2017 photo engineer Volkmar Dohmen stands in front of xenon short-arc lamps in the DLR German national aeronautics and space research center in Juelich, western Germany. The lights are part of an artificial sun that will be used for research purposes. (Caroline Seidel/dpa via AP) Scientists in Germany are flipping the switch on what’s being described as “the world’s largest artificial sun,” hoping […]