Tunable electromagnetic 'invisible gateway' brings science closer to fiction

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The structure of the invisible electromagnetic gateway is comprised of two perfect electric conductors (PEC) next to each other. The red area is a so-called double negative medium (DNM). While electromagnetic waves are blocked by the structure, objects can walk through undisturbed

Article Summary

Harnessing the unique properties of metamaterials, researchers in China have recently published a work detailing the implementation of a thin air, broadband and remotely controllable 'invisible gateway' that is able to shield all types of electromagnetic waves while letting through all other physical objects.

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