Sun n’ Fun, following a disastrous sweep by an F1 tornado through the flight line on Thursday, March 31, came back strong the following day, with F-22 demonstration flights, the Blue Angels, and a full contingent of top-drawer aerobatic pilots. The Green Aviation exhibits your editor had hoped to visit were partly gone, tents and exhibits having been dismantled and carted away in the remarkable overnight cleanup effort that took place, but the Embry Riddle Aeronautical University (ERAU)/Lindbergh Electric Aircraft Prize (LEAP) Stemme S-10 gleams undamaged in the sun. Lisa Costello, a graduate student in aeronautical engineering, explains some highlights of what the students are crafting. Entered in the upcoming Green Flight Challenge, the S-10 was to use a combination of …