Last weekend my husband Scott took our daughter Mindy on a trip to Louisiana to visit our son David and his family. I'm really glad they were able to go. While they were there, David and a friend from work launched a balloon into the upper reaches of the atmosphere. This was a special balloon that they ordered online which was about 5' in diameter when it was inflated with helium. They attached a foam cooler with an old camera inside along with a GPS to help them track the balloon. The theory was that the helium would freeze at a certain point in the atmosphere and then the balloon would pop, the payload would gently descend to earth with its parachute. I have to admit, when I first heard about this, I was highly skeptical that it would work. But it did! On Friday morning they drove 2.5 hours to the east, nearly to the Texas border, to launch the balloon so that it would land close to where David lives. There were all kinds of things t...