Premium glass is utilizied on the back cover with a polarized glasspattern that offers a clean, modern look.
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To convince customers they were getting a better rock at a higher price, he developed a handheld, cylindrically shaped magnifying glass that clarifies the pattern of hearts and arrows.
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Even a well-equipped hacker can't get microscopic glass shards to fall into a prearranged pattern, says Ravikanth Pappu , a co-inventor of the technology.