July 07, 2011
LONDON – A sensor that can scan huge crowds and pick out a lone suicide bomber by homing in on hidden explosives has undergone official tests, The Sun reported Thursday.
The revolutionary gadget — similar to airport scanners but top secret — is believed to silently analyze materials using the unique “terahertz” waves emitted by different substances.
Heavily-censored reports obtained by the newspaper in a freedom of information request reveal other trials saw the guinea pigs armed with “handguns and knives.”
The futuristic device — officially known as a “stand-off imaging system” — could be used to protect Al Qaeda targets such as rail stations, shopping malls and sporting events.
The Home Office said, “Protecting the public is our number one priority. We regularly test new technologies to help us face the ongoing terrorist threat.”
How Terahertz Waves Tear Apart DNA
A new model of the way the THz waves interact with DNA explains how the damage is done and why evidence has been so hard to gather
Read More: http://www.technologyreview.com/blog/arxiv/24331/
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