Huge solar plane to circumnavigate the world.

I like the part about the pilot seat also functioning as a toilet. Cool how they bank energy during the day (electricity as well as altitude) to spend at night.

Looks like tube & fabric (oratex maybe?)







http://arstechnica.com/science/2014/04/new-solar-plane-is-as-big-as-a-747-will-circumnavigate-the-globe/