Imagine being able to hear people whispering in the next room, while the raucous party in your own room is inaudible to the whisperers. Researchers have found a way to do just that — make sound flow in one direction — within a fundamental technology found in everything from cell phones to gravitational wave detectors.
It’s a one-way street for sound waves in this new technology
Imagine being able to hear people whispering in the next room, while the raucous party in your own room is inaudible to the whisperers. Researchers have found a way to do just that -- make sound flow ..
