The Cloak of Silence -- Acoustic Cloaking Material Designed

Engineers have designed a material that redirects sounds and could be used to shield objects from noises. The sound-shielding material would be the first acoustic cloaking device.

clipped from news.bbc.co.uk Experts unveil 'cloak of silence' Scientists have shown off the blueprint for an "acoustic cloak", which could make objects impervious to sound waves. clipped from www.technologyreview.com The design of the cloaking materials, published in the New Journal of Physics, shows that making an acoustic shield "can be done in a straightforward and simple way," says Steven Cummer, an electrical engineer at Duke University who was involved in theconstruction of the first light cloak in 2006. clipped from www.ee.duke.edu Steven A. Cummer Jeffrey N. Vinik Associate Professor Electrical and Computer Engineering Department Duke University clipped from www.ee.duke.edu Simulation of fields interacting with an ideal cloaking shell. Fabricated cylindrical cloaking shell.

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BBC NEWS | Science/Nature | Experts unveil 'cloak of silence'
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Technology Review: Acoustic Cloak Designed