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" ... The whole thing started when the Veterans’ Administration approached FSU to develop a better solution for padding for leg prosthetics. (In the first few years after such a traumatic injury, the remaining limb may change in volume 20% in day, based an activity level, hydration, and diet, so cushioning is a big challenge.) The FSU Materials Science lab looked to auxetics, which had first been developed in 1987 at the University of Bolton in England. Over the years there have been multiple white papers on potential uses of the foam, but nobody had ever found a good way to actually make it. FSU’s work led to the first commercially viable method of production. ... "