
The “head accelerometer logger,” shown here, holds eight accelerometers and one pressure transducer, which measure the biomechanical effects of a blast--such as the detonation of an improvised explosive device--on the wearer’s head.

The “head accelerometer logger,” shown here, holds eight accelerometers and one pressure transducer, which measure the biomechanical effects of a blast--such as the detonation of an improvised explosive device--on the wearer’s head.