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Scientists Create First ‘Perfect’ Invisibility Cloak

Prior efforts have always suffered from reflections


chemical-stocks_185Scientists at Duke University have devised a way to completely conceal a small object, marking yet another step toward building a real-world invisibility cloak.

A variety of methods have been developed to partially cloak objects, but none so far have succeeded in completely eliminating clues that reveal the illusion in visible light, TG Daily notes.

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The Duke researchers, who produced their first cloaking technique in 2006, have developed a new way to conceal the reflection of light around the edges of the cloaked object.

Right now, the new technique only works in two-dimensions, but the team is hoping to eventually make it work in three dimensions.

In order to mitigate reflections, the team built a device comprised of strips of copper-etched fiberglass. The strips bend and reflect light around the concealed object with only a small loss to reflections.

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