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Published December 12, 2011, 12:00 AM

Sonic Blaster


In this photo taken Sept. 14, 2011, Lt. Col. Jeffrey Bevington, requirements officer with the Joint Non-Lethal Weapons Directorate, demonstrates one of the military's latest voice projection system and instant translation technologies, that can project a human voice a mile away and instantly translate from English to another language, at the Marine Base in Quantico Va. (AP Photo/Jacquelyn Martin)
Read the article: Protests boost sales and fears of sonic blaster