NYPD testing “T-ray” device to see concealed weapons under clothing

The New York Police Department revealed Wednesday that it was developing a device that would scan people for concealed firearms on their body.

The Wall Street Journal reports Commissioner Raymond Kelly saying the NYPD is testing a T-ray (terahertz radiation) machine. Such technology is increasingly being used in airport scanners because the radiation is considered less harmful than X-ray. As IEEE Spectrum put it in its article a few years ago examining the technology, T-rays go through most materials but reflect off metal.

“If something is obstructing the flow of that radiation, for example a weapon, the device will highlight that object,” Kelly said at an event attended by the New York City Police Foundation, according to the WSJ.

Rob Port is the editor of SayAnythingBlog.com. In 2011 he was a finalist for the Watch Dog of the Year from the Sam Adams Alliance and winner of the Americans For Prosperity Award for Online Excellence. In 2013 the Washington Post named SAB one of the nation's top state-based political blogs, and named Rob one of the state's best political reporters. He writes a weekly column for several North Dakota newspapers, and also serves as a policy fellow for the North Dakota Policy Council.

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