Over ten years ago, a major smartphone manufacturer developed a demo of a smartphone with a ten-microphone array. It could pick out and hear a single person’s voice in a crowd – an amazing feature ...

In anticipation of the first flights of its supersonic X-59 Quiet SuperSonic Technology (QueSST) X-plane, NASA recently tested a microphone that's 30 miles (48 km) long. Spread out on the Mojave ...