Since World War I, the vast majority of US combat casualties had been caused by explosions. Today, most soldiers wear a heavy, bullet-proof vest to protect their torso but much of their body remains exposed to the indiscriminate aim of explosive fragments and shrapnel. Now, Harvard University researchers, in collaboration with the US Army Combat Capabilities Development Command Soldier Center (CCDC SC), have developed a lightweight, multifunctional nanofiber material that ...