News: The Solar Impulse crosses Switzerland and back in two days

TECH.BLORGE.com has an article mentioning: "... first began following Bertrand Piccard's Solar Impulse back  in May of 2008 when it was still in the planning stage.  Last December , this solar plane took a mini test flight and in April of this year it went on a more extensive and intricate test flight.  Back in July   pilot and CEO André ..."

Posted by Photonic News