One Redditor shared a clever DIY solar observation device as a way for homeowners to avoid being overcharged by installation ...

Abstract: The cooperative tracking of moving ground targets in obstacle environments by multiple fixed-wing Unmanned Aerial Vehicles (UAVs) has broad applications in both military and civilian fields.

An international research team has developed a tracker-based rooftop PV system that can be installed on both new and existing stadiums. The proposed design reportedly allows for easier deployment and ...