Imagine being able to hear people whispering in the next room, while the raucous party in your own room is inaudible to the whisperers. Yale researchers have found a way to do just that — make sound ...

Wonder wall Imagine a room where a band is playing and the neighbours can't hear the music, but if someone outside the room is talking, the musicians can hear it. The concept - a kind of one-way ...

Be it water, light or sound: waves usually propagate in the same way forwards as in the backward direction. As a consequence, when we are speaking to someone standing some distance away from us, that ...

Scientists at RIKEN have proposed a new way to make quantum systems synchronize in only one direction—like a one-way street ...

Scientists have created a one-way sound machine. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. The device, called an acoustic circulator, breaks ...

Italian scientists Giulio Casati and Stefano Lepri think they’ve found the mathematical principles required for a sonic one-way mirror. Though purely theoretical, the pair’s work predicts that it is ...

Imagine a room where a band is playing. Neighbors can't hear the music, but if someone outside the room is talking, the musicians can hear it. Subscribe to read this story ad-free Get unlimited access ...