Solar Impulse is developing its next generation sun-powered aircraft for an around-the-world attempt, which it will make with Google as a key partner.
Alta Devices says its gallium arsenide thin-film solar cells could provide virtually limitless power for unmanned aerial vehicles, while adding “practically no weight.”
Expected crosswinds and headwinds force Solar Impulse to split Friday’s planned St. Louis-Washington, D.C., trip into two legs, with a stopover in Cincinnati.
The remarkable, sun-fueled Solar Impulse airplane departs Phoenix at 4:47 this morning, headed to Dallas as its cross-country journey resumes.
The solar-powered Solar Impulse airplane has drawn big crowds to see it in Phoenix, where it will stay until at least May 20 before resuming a cross-U.S. trip.
The solar-powered Solar Impulse airplane takes off from the Bay Area, headed to Phoenix on the first leg of a cross-country U.S. journey.
London university students show off some tantalizing solar-powered helicopter pictures, and promise to show a new breakthrough on March 6.
Solar Impulse, after a successful Europe-Africa fuel-free flight last year, arrives in California and aims to fly across the U.S. sometime after May 1.
Nearing the end of its historic journey, the solar-powered HB-SIA airplane completes a Morocco-Madrid leg despite challenging wind conditions.
Its purpose is shrouded in mystery but we do know one thing about the U.S. Air Force’s robotic X-37B space plane, which flew back to Earth recently after a 15-month stint in orbit — it runs on solar.