No Headphones, No Problem: This Acoustic Trick Bends Sound Through Space to Find You
Or have a private conversation in public without other people hearing you? In other words, weve developed a technology that could create sound exactly where it needs to be. What is sound? Digital audio waveform.© Nazario/Shutterstock Sound is a vibrationthat travels through air as a wave. These waves are created when an object moves back and forth, compressing and decompressing air molecules. The frequency of these vibrations is what determines pitch....