Some rather clever engineers have created the world's first 3d-cloaking device. The pyramid-esque structure reroutes sound waves creating the impression that an object beneath is simply not there.

Metamaterials are carefully engineered materials that possess desirable properties and can be used to manipulate electromagnetic, acoustic, or other types of waves in interesting ways. Some materials ...

There have been attempts to cloak an object from 𝐻𝑧 - polarized electromagnetic waves and sound waves, but it has been difficult to achieve satisfactory high performance. Associate Professor Garuda ...