Monday, December 22, 2008

America's military wants infantry helmets that help them study injuries


The military wants to develop better headgear that will help us better understand head wounds and traumatic brain injury (or TBI), a condition that's effecting more and more of America's troops deployed overseas. It should come as no surprise that the whiz-kids at DARPA are behind it all, and the agency has awarded a $5 million contract to the Palo Alto Research Center to develop such a technology over the next three years.

The solution PARC has come up with is surprisingly low tech: a plastic taped-on strip that features printed circuitry ranging from memory storage to sensors. For seven days the helmet sensors are able to record the pressures acting on a soldier's head — especially pressure waves emitted from concussive blasts — though after the week the disposable strip is done. That shouldn't be a problem, though, as the strips cost less than a dollar each to make.

A soldier doesn't have to get hit by a blast to suffer an injury. The powerful explosives used in modern warfare can send a wave of pressure traveling a thousand feet-per-second at an infantryman, and that's plenty powerful to leave a lasting impression.

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