Smart phones will have color screens that, when held close to the eye, create the illusion of an 18- to 24-inch computer screen suitable for Web surfing and viewing high-resolution pictures.

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Also, the intricate polarized pattern, which sparkles under the sleek surface, creates a three-dimensional illusion that is eye-catching and exquisitely reminiscent of a jewel.

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Since human depth perception relies on calculating the difference between the angle of view coming to each eye, the result is a 3-D optical illusion.

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