Rooftop radiative cooling system could provide lighting power when solar energy is unavailable.

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Nanowerk CleanTech News  In This Issue...  Researchers design efficient low-cost system for producing power at night  More Recent Articles Researchers design efficient low-cost system for producing power at night Rooftop radiative cooling system could provide lighting power when solar energy is unavailable. • Email to a friend • More Recent Articles Incorporating solar harvesting into the side of buildings could enhance energy sustainability Used COVID-19 PPE could be turned into biofuels instead of landing in landfill Surface clean-up technology won't solve ocean plastic problem Open Source for a Global 'Energiewende' New smartphone game lets you solve real-world ecological puzzles (w/video)