CLEAN: Swiss global adventurer bets on solar power for air travel

The video introduces Solar Impulse, a solar-powered aircraft project by Swiss adventurer Gollan Picker. It highlights the project's aim to promote renewable energy and technological innovation. The aircraft, with a wingspan of a jumbo jet but the weight of a car, is powered by 12,000 solar cells and electric motors. Picker discusses the challenges faced, including fear and stepping out of comfort zones. The video concludes with plans for test flights and a real takeoff in 2012.

What is the main purpose of the Solar Impulse project?

Describe the technological features of the Solar Impulse aircraft.

What challenges did the team face while developing the Solar Impulse?

How does fear play a role in the adventure of exploring new technologies according to the text?

What is the significance of the test flight planned for the end of the year?