New Helmet Design Uses Biomimicry to Reduce Rotational Injuries : TreeHugger.
"Considering with good reason that the best helmet had already been invented by nature, he postulated that the skin on the skull, our scalp, played an all-important role in the event of an impact and was able to demonstrate that the same effect was achieved by putting a lubricated membrane on a helmet." (Dr. Ken Philips)
Lazer Helmets developed the SuperSkin Helmet that incorporates Dr. Philips' Head Protection System that reduces the impact of "rotational acceleration" that can occur when a hard helmet hits the ground. The brain is not fixed within the head - the lag in transferring the rotational motion to the brain can result in tears in blood vessels and nerve fibers.
Emulating the way the scalp protects the head and brain, the SuperSkin Helmet has an outer membrance separated from the helmet by a lubricant. This system absorbs some of the rotational forces before they affect the helmet itself.
The website includes some of the biomechanical research that went into development of the helmet.
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