U.S. scientists are currently developing a brand new type of PV cell, dubbed thermophotovoltaics cell (STPV), which can power drones for several days of flight. This is a far cry from the existing battery-powered drone models which have a cruising ability of less than 30 minutes. ...  more
PV Cell-Powered Drone in the Offing |
| published: 2019-08-05 9:30 |