See SOLAR too. As we will see in another chapter of this publication, it is about the Helios plane with electric motors running on solar energy.

-The program has been propitiated by NASA but was canceled in 2001 as it was not possible to operate at night, especially if it was intended to go around the world without stops.

"Bertrand Piccard airplane"

-Pilot and scientist, Bertrand Piccard, from the saga of the Piccard family, has already traveled around the world in a balloon in 1999.

-His device will have special heavier batteries, without doubt, and cells that will charge during the day to be able to operate at night.