Sound spreads both forwards and backward in a space, meaning someone standing nearby can hear you as well as you can hear ...

Imagine three people huddled in a circle so when one speaks, only one other hears. Scientists have created a device that works like that, ensuring sound waves ripple in one direction only. The device, ...

Researchers at ETH Zurich have managed to make sound waves travel only in one direction. In the future, this method could also be used in technical applications with electromagnetic waves.

The subject is so large that I am proposing to confine myself to the operation of finding the direction of sound transmitted through the air. Nature - Direction Finding by Sound.

In these environments, users can turn their heads, move around, and hear sounds from different directions—just like in the ...