Metamaterials Boost Means Next Generation Cloaking Device

'Cloaking' devices bend electromagnetic waves, such as light, in such a way that it appears as if the cloaked object is not there. In the latest laboratory experiments by Duke researchers, a beam of microwaves aimed through the cloaking device at a "bump" on a flat mirror surface bounced off the surface at the same angle as if the bump were not present. Additionally, the device prevented the formation of scattered beams that would normally be expected from such a perturbation. The underlying cloaking phenomenon is similar to the mirages seen ahead at a distance on a road on a hot day. read more

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