Abstract frontiers of propulsion science is the first ever compilation of emerging science relevant to such notions as space drives warp drives gravity control and faster than light travel the kind of breakthroughs that would revolutionize spaceflight and enable human voyages to other star systems although these concepts might sound like . Progress in astronautics and aeronautics description frontiers of propulsion science is the first ever compilation of emerging science relevant to such notions as space drives warp drives gravity control and faster than light travel the kind of breakthroughs that would revolutionize spaceflight and enable human voyages to other star systems. Frontiers of propulsion science progress in astronautics and aeronautics m millis e davis 9781563479564 amazoncom books. Frontiers of propulsion science progress in astronautics and aeronautics volume 227 details this is a nascent field where a variety of concepts and issues are being explored in the scientific literature beginning in about the early 1990s the collective status is still in step 1 and 2 of the scientific method with initial observations being . Buy frontiers of propulsion science progress in astronautics and aeronautics series by marcgmillis isbn 9781563479564 from amazons book store everyday low prices and free delivery on eligible orders