I always feel a little sad whenever I stop and think that NASA’s Space Shuttles are no longer in service. For decades, they served as symbols not only for the pioneering spirit of their mission crews, but for NASA itself, an organization that serves as a gathering point for some of the brightest and boldest scientific minds on the planet.
NASA hasn’t completely gotten out of the high-tech transportation field, though, as it’s moving ahead with a project to develop a supersonic passenger jet. As impressive as its specs are, though, it looks like something quite a bit more down to earth: a root vegetable.
