Researchers called the new laser weapon Personnel Halting and Stimulation Response, shortly PHaSR. It looks like a massive rifle. PHaSR was created in 2005 and it was used by the US air force agency with the goal of temporarily dazzling enemies. NIJ engineers upgraded the device so it would also heat up human skin. They believe the weapon could be used in prison, law enforcement and a variety of other scenarios. The second weapon of NIJ currently represents a tabletop prototype, its range is less than a meter. According to the agency's spokesperson, a 15-meter range backpack-sized prototype will be presented to the public in 2009. Engineers believe that a portable mini-ADS device may prove to be rather useful due to the fact that microwaves are able to penetrate human skin more effectively than the infra-red beam.
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