Here's the amazing Solar Impulse, unveiled in Zurich today by Bertrand Piccard and his team. It's designed to fly purely from solar power, day AND night, courtesy of a vast surface area of solar cells. TED's European Director Bruno Giussani, who was at the launch, says: "The plane has a 60-meter wingspan covered by solar cells, 4 propellers, a tiny one-pilot cockpit, and a total weight of 1.6 tons. -- that makes it the wingspan of an Airbus A320 and the weight of a car. It is an amazing sight."
He shot this 15-second clip of the unveiling:
Piccard will be sharing his vision for the plane at next month's TED Global. He plans to fly the Solar Impulse around the world in 2012.
Here's Wired's take on the launch. The Solar Impulse website. And more background on the project.