Watch Solar Impulse Across America:

"Solar-Powered Plane Set to Begin Historic Cross-Country Flight Friday"
"A solar-powered airplane is poised to depart on a historic coast-to-coast flight across the United States Friday (May 3), in a bold attempt to fly across the country without using a single drop of fuel."

"Solar Impulse, Sun-Powered Plane, Completes Test Flight Above San Francisco Bay Area"
"A solar-powered plane that has wowed aviation fans in Europe took to the skies Friday over the San Francisco Bay area in a successful test flight."

DNews is a show about the science of everyday life. We post two new videos every day of the week.

See more on

Subscribe to never miss an episode.

DNews on Facebook:
DNews on Twitter: @dnews
Anthony on Twitter: @acarboni
Laci on Twitter: @gogreen18
Trace on Twitter: @trace501