Solar Impulse pilots prepare for an extraordinary feat
Solar plane pilot: "It's just a blessing"
Hear more from adventurers Bertrand Piccard and Andre Borschberg, who have built a solar-powered plane which they plan to fly across the United States next spring and then around the world without burning an ounce of fuel.
In this clip, Bertrand Piccard, co-founder and president of Solar Impulse, tells Bob Simon it will be an adventure and a privilege to spend five days and nights flying his solar plane.
Solar Impulse pilots prepare for an extraordinary feat
Learning to fly a solar plane
Solar Impulse co-founder Andre Borschberg tells Bob Simon that it's not easy to fly his plane. Even a NASA test pilot couldn't land it without practice.
Solar Impulse pilots prepare for an extraordinary feat
Attempting the "impossible" in solar flight
Bertrand Piccard and Andre Borschberg, co-founders of Solar Impulse, tell Bob Simon that people thought they were crazy when they announced their plan to fly around the world without fuel.
Watch Bob Simon's full report, "Around the World in 20 Days"