A Practical Path to Superfast Computing

They said it could be done and now they've done it. What's more, they did it with a GRIN. A team of scientists with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California, Berkeley, have carried out the first experimental demonstration of GRIN - for gradient index - plasmonics, a hybrid technology that opens the door to a wide range of exotic optics, including superfast computers based on light rather than electronic signals, ultra-powerful optical microscopes able to resolve DNA molecules with visible light, and "invisibility" carpet-cloaking devices........

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Source: http://www.technology-blog.com/blogs/permalinks/1-2011/a-practical-path-to-superfast-computing.html