Two Swiss pilots will attempt an around-the-world journey on Monday (March 9) on a solar-powered airplane that is expected to last for five months and is aimed at promoting clean technology in the aviation sector. Swiss adventurers Bertrand Piccard and Andre Borschberg will take turns piloting the single-seat, 2,300-kilogram Solar Impulse airplane on its pioneering flight. The craft has a wingspan greater than the Boeing 747. “We want to show that climate change is a […]