On a Wing and a Sunbeam: Solar Plane Pilots Look to Circle the Globe
Tuesday, July 16, 2013 - 12:30
in Physics & Chemistry
An airplane has flown the expanse of U.S. airspace powered by photons alone. The coast-to-coast journey was but a warm-up for an attempt at circumnavigating the globe. [More] -- Read more on ScientificAmerican.com