Ground-breaking solar powered unmanned aircraft makes first flight
Persistent High Altitude Solar Aircraft (PHASA-35®) has the potential to stay airborne for year. Persistent High Altitude Solar Aircraft (PHASA-35®) has…
Persistent High Altitude Solar Aircraft (PHASA-35®) has the potential to stay airborne for year. Persistent High Altitude Solar Aircraft (PHASA-35®) has…
A new solar electric unmanned aerial vehicle (UAV), which has the potential to fly for up to a year before needing maintenance, has become a…