The Future of Advertising and Warfare

I first came across HyperSonic Sound in the late 90's. The creator of the technology Woody Norris was dreaming of all the possible applications of his invention. Everything from talking billboards that could pin point a target across a busy train station to defending a battleship while in port. Now some 10 years later, his invention is doing what he imagined and much more..

Check out: http://www.atcsd.com/site/