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Fiber-Optic Mics Eavesdrop on Thieves

OptaSense can identify footsteps, vehicles from miles away

By Nick McMaster,  Newser Staff

Posted Aug 21, 2009 6:09 PM CDT

(Newser) – Major oil companies are relying on a new fiber-optic technology to keep an underground ear on intruders, the Independent reports. Devised by a British defense firm, the OptaSense system consists of microphones placed along sensitive fiber-optic cables already laid underground. The cables sense vibrations, the...   Read full story »

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