We had seen lots of videos online of people sending small payloads including a camera and GPS tracking device attached to a weather balloon and then retrieving them. It seemed like a fun project so we set out to do it ourselves. We decided casino online to use a small styrofoam cooler, into which we placed a GoProHD video camera, a Samsung GalaxyS android phone, an Iphone 4, a couple battery chargers, and a SPOT messenger GPS locator. We