It could be attached to folding solar panels of the sort used in space missions, and back on Earth it could provide portable power in deserts or at the poles.

Flap problems. Folding back or removing the flap from the front of your eye during surgery can cause complications, including infection, tearing and swelling.

Though not the first such roadable plane with folding wings, Terrafugia claims its transition is the only one capable of a seamless transition from road to air and back again.