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Zero asylum. Send them back to Syria. Claims should be sorted somewhere else. It may sound like the rhetoric of the far right, but in this wealthy, Scandinavian welfare state, it has become the political center. Denmark, polite and progressive, is profoundly skeptical of asylum seekers.
E-Mail A synthetic approach that improves absorber layers in perovskite solar cells could help them achieve their full potential and draw closer to the performance of leading gallium arsenide devices. Solar cells that rely on perovskite thin films to capture sunlight are the fastest growing photovoltaic technology. Cheaper and easier to manufacture and incorporate into devices than conventional semiconductors, lead halide perovskites also effectively absorb visible light and display long charge carrier diffusion lengths -- an indicator of their ability to maintain light-induced electrons an...