Duke University has built the first 3D omnidirectional acoustic invisibility cloak. The cloaking device, which takes the form of a pyramid of perforated plastic, is hidden from sound waves striking it ...

In the past years, invisibility cloaks were developed for various senses. Objects can be hidden from light, heat or sound. However, hiding of an object from being touched still remained to be ...

New research has shown it is possible to develop an 'invisibility cloak' to protect buildings from earthquakes. The seismic waves produced by earthquakes include body waves which travel through the ...

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