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Tag: sound cloak

A cagelike cloak surrounds a plastic sphere in an echo-free chamber. The cloak shielded the sphere from detection at a particular sound frequency, the first time a three-dimensional object has been cloaked from sound waves. Credit: L. Sanchis et al

Sound cloak devised that works for 3-D objects

After scientists have devised materials that rend objects optically invisible, researchers in Spain have developed a method that allowed them ...

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© 2007-2023 ZME Science - Not exactly rocket science. All Rights Reserved.