Waking up in the middle of the David Letterman show this morning, your editor stumbled into the computer room to check on the Solar Impulse trip to Morocco. From the live Google Earth map shown on their web site, and the inset live video of Bertrand Piccard, all was well, and the giant solar-powered craft was sailing over surprisingly irregular terrain. It just wasn’t the expected flat, featureless desert seen in countless films. Solar Impulse was probably still flying over Spain at that time, having taken off at 3:22 a. m. local time (5:22 coordinated universal time or Greenwich time) from Madrid’s Barajas Airport. At 7:30 a. m. local time (Pacific Daylight Time – 4:30 UTC), Bertrand Piccard was crossing the narrow strip of sea between the Spain and Morocco and making his way along the Moroccan coastline, chatting happily with his daughter back in Payerne, Switzerland, the airplane’s home base. Solar Impulse attained 8,229 meters (27,000 feet) during the trip, and …