Guardian: The Solar Impulse 2 plane took off early on Sunday for a six-day, six-night flight over the Pacific Ocean, the most ambitious leg of its quest to circumnavigate the globe powered only by the sun.
Pilot Andre Borschberg, 62, left the ground in Nanjing, in eastern China, heading for Hawaii, at about 2.40am , after extended delays awaiting a suitable weather window over safety concerns.
Lit by white lights on its wings, the plane climbed into a misty sky with its four whirling propellers nearly...