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Tuesday, December 13, 2011

CREATE THE CARPET THAT MAKES THINGS INVISIBLE TO


Two teams of researchers at the University of California at Berkeley and Cornell University New York, has designed "invisibility carpets" that conceal visually for any object that is placed under them. While the carpet itself can still be seen, the bulge created by the object underneath it disappears from view.

Projecting a light beam on the bulge shows a reflection identical to the reflected beam on a flat surface, which means that the object itself essentially becomes invisible.

This new cloaking device suggests that not only are viable materials capable of invisibility, but also represents a major step towards transformation optics, opening the door to manipulating light at will to create more powerful microscopes and computers more rapid.

With a more precise manufacturing, the new design approach should lead to a material that operates in visible light, in other words, generate literal invisibility to human eyes.

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