they will swing by the mohave desert and san diego, both places that hold significance in aviation history. the crews worked throughout the night to prep the airplane, wheeled it out of the hangar at around 3:00 this morning. the plane is amazing, carbon fiber, 5100 pounds, wing span is 231 feet. flies on batteries that charge at night. they tell us they can fly indefinitely powered by the sun. this round the world flight is meant to show the world that clean technology works and makes good business sense and is a win-win for humanity and the environment. these are very long flights. the longest one took five days to five nights. the pilot for this journey is andre borschberg. the other pilot is joining us now is bertrand piccard. you use hypnosis. tell us how that works. >> i'm a doctor, i use hypnosis to treat my patients but also use it to be able to disassociate myself from the concentration of the stress of flying the airplane so if i have just 20 minutes free, i go into hypnosis, i relax completely, i can regenerate my body and my mind very, very quickly and then go back to the contr