WDAY: The News Leader

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