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The world's largest artificial sun is now shining at the German Aerospace Center (DLR) in the town of Jülich. On Wednesday, German scientists switched on project "Synlight" to test ways to make carbon-free fuel.
The honeycomb-like setup involves 149 individually adjustable xenon short-arc lamps that can produce about 10,000 times the intensity of the natural solar radiation on Earth's surface. To illustrate how powerful the lamps are, a single one can light a projector for a large cinema.