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Researchers develop method to make sound waves travel in one direction only | The research has applications in various fields, including radar technology and signal routing
After years of research, scientists at ETH Zurich have developed a method to make sound waves travel in a single direction. The study was led by Professor...
The research team, led by Professor Nicolas Noiray from ETH Zurich's Department of Mechanical and Process Engineering, in collaboration with Romain Fleury from EPFL, figured out how to prevent sound waves from traveling backward without weakening their forward propagation, building upon similar work from a decade ago. To test their design, the researchers conducted experiments using sound waves with a frequency of approximately 800 Hertz, comparable to a high G note sung by a soprano. Additionally, the technique could pave the way for developing topological circuits, enhancing signal routing in future communication systems by providing a method to guide waves unidirectionally without energy loss.
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