Subscribe to receive free weekday news updates
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.
Researchers at Washington University in St. Louis are studying cyanobacteria as a potential source for cleaner energy.