Like all fashion, the spacesuit is subject to change. Early designs grew out of the pressurized suits worn by trailblazing pilots in hot air balloons and airplanes. Since then, spacesuits have grown into machines of impressive complexity, even becoming miniature spacecraft that fly independently. Spacesuits have allowed people to grab rocks from the lunar surface, make repairs on the Hubble Space Telescope, or float through the void while gazing down at the planet below. Here, Wired Science…