How long have you lived here? http://xnxx-xnxx.space/ xnxx asia The individual parts are mass-producable. The researchers are developing a robotic assembly system to put them together into airplane wings, fuselages, bridges or rockets. Three fields of research and brought together in the new design, says Gershenfeld: fiber composites, cellular materials made with porous cells and additive manufacturing, also known as 3-D printing, where structures are built by depositing rather than removing material.