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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 flow in one direction -- within a fundamental technology found in everything from cell phones to gravitational wave detectors.

What's more, the researchers have used the same idea to control the flow of heat in one direction. The discovery offers new possibilities for enhancing electronic devices that use acoustic resonators.

The findings, from the lab of Yale's Jack Harris, are published in the April 4 online edition of the journal Nature.

To read more, click here.

Category: Science