Binary_Bark
Forging
Solar Impulse 2 leaves Egypt on final leg of historic world tour
Quite an achievement for a solar powered aircraft
The plane set out on March 9, 2015 from Abu Dhabi, crossing Asia and the Pacific to reach the United States and then flying on to Spain and Egypt with the sun as its only source of power.
Read more at: http://phys.org/news/2016-07-solar-impulse-egypt-leg-historic.html#jCp
Quite an achievement for a solar powered aircraft