See the big, shiny covering on top of the wings of this airplane? Those are solar panels and yes, this is a solar powered plane. If the inventors got it right, this plane will be able to fly around the world using nothing more than solar energy it collects during its travels. The Solar Impulse 2, has a wingspan close to that of a huge 747 airplane yet, it weighs just about as much as a car (5,000 lbs.). It has a comfortable pilot seat which doubles as a toilet and folds down flat into a bed (so you can poop lying down?). And in case you’re wondering, yes, the plane also carries a parachute and life raft.  The inventors say they did not want…
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