Duke University Creates Perfect Centimeter-Scale Invisibility
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Scientists at Duke University have developed an 'invisibility cloak' which perfectly hides centemeter-scale objects. The cloak is composed of metamaterials, man-made materials with unnatural properties; in this case, a negative refractive index.

The cloak only works with microwaves and on relatively small objects. Previous attempts at an invisibility cloak had problems with reflections which spoiled the illusion.


2. Another article from TG Daily .com: Researchers build 'perfect' invisibility cloak

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