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Electrical engineers at Duke University have created the world's first electromagnetic metamaterial made without any metal. The device's ability to absorb electromagnetic energy without heating up has direct applications in imaging, sensing and lighting.
Research to Secure Our Energy Future | Energy Conservation/Efficiency | Duke UniversityA professor at Duke University created a low-tech anaerobic digester, a toilet system that relies on biogas (produced by bacteria when they break down the human waste), to help people across the globe safely dispose human waste.
Solving the Freshwater Puzzle | Water Systems | Duke University