A protective magnetic force field, self-assembling space habitat and a deep sleep chamber. These may seem like concepts straight out of science fiction, but they are quite real and are actually three of eight projects that NASA will be working on in order to improve space exploration. NASA Innovative Advanced Concepts (NIAC) is the agency's annual program that is responsible for funding such concepts. According to NASA, the one thing that all of these concepts have in common is their ability to "change the possible." However, it's not enough to change the possible- they actually have to be technically sound....