Klang Ultrasonic Speaker Puts the Sound Waves Where Only You Can Hear 'Em [Audio]
How can you listen to music as loud as you want without headphones and without annoying people around you? Consider Klang's ultrasonic speakers, which use a 30,000hz frequency to beam an audible wave to a single point. More »

China Chow Blake Lively Anna Kournikova INFOSYS TECHNOLOGIES EMC