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Missouri S&T researchers say biowaste like food scraps and manure could be converted into renewable natural gas to fuel vehicles.
The buoyancy-propelled silent glider could travel for weeks or months between charges, Purdue researchers say.
Researchers' design combines passive radiative cooling with solar water heating — all without requiring electricity.
Chicago-based Cityzenith creates real-time "digital twins" — three-dimensional replicas of buildings and infrastructure.