(Copyrighted by Creative Commons License, see terms at end of posting) The crowd of wild-eyed, mesmerized little boys chanted in unison, "Six! Five! Four!" I felt my heart pounding as though it would leap from my chest. "Three! Two! One! Ignition!" My finger pressed the button, and an electrical current traveled through two small wires. "Liftoff!" Swish! The slender tube streaked skyward with a cloud of smoke. I remembered my brother, Louis, who had introduced me to these flying marvels that continue to hold my interest even 51 years after graduating from high school. I said a silent prayer. Fifty-one years ago, had it been that long? It seemed only yesterday that I dove into the intricacies of designing, building and flying rockets. I even tracked them and used my newly learned trigonometry to determine how high they went. Mr. London, my high school physics teacher talked me into entering the dis...