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Researchers have taken a novel approach to studying the interaction between certain topological metamaterials and sound wave ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Scientists at ETH Zurich and the Swiss Federal Institute of Technology Lausanne have ...

A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and ...