SpaceX's reusable Grasshopper rocket launches, goes farther than ever before, hovers, and lands vertically to the soundtrack of "Ring of Fire." (Credit: Video screenshot by Amanda Kooser/CNET) Last month at SXSW, SpaceX founder Elon Musk showed off a video of the SpaceX Grasshopper rocket rising 24 stories into the air and returning safely back to the ground.
