Cushioning blows to the head, whether in football, soccer (football ex USA), hockey, cycling and in combat, is something that present helmets don’t do terribly well, if worn at all–thus the prevalence of concussions not being diagnosed properly, or the cumulative sub-concussive blows that may result in CTE. A Brigham Young University (Utah) team has developed a helmet with what they dub ‘ExoNanoFoam’ in contact with the player’s head. The foam is piezoelectric–when there is pressure on the foam, it produces an electrical voltage. (more…)