Here's a case in which being a gel head may actually save your life.
The British army is preparing to upgrade its standard-issue combat helmet by adding a viscous, orange gel liner designed to lock instantaneously into a solid shield when impacted by a bullet or shrapnel.
The goo, under development by Blue Divine, uses "intelligent molecules" to "shock lock" together when shot or stabbed, creating a solid pad to absorb energy (see video). The substance, called D30, returns to its "normal flexible state" after the pressure is removed.
"When moved slowly, … Read more