Come one, come all and behold the future of space travel: steam power! "No, seriously; half a century after the world's first manned space mission, it seems that interplanetary travel has finally entered the steam age. Scientists at the University of Central Florida (UCF) have teamed up with Honeybee Robotics, a private space and mining tech company based in California, to develop a small, steam-powered spacecraft capable of sucking its fuel right out of the asteroids, planets and moons it's exploring."