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Overcoming light scattering: New optical system sees deeper inside tissue

Optical imaging could become even more valuable if researchers could find a way for light to penetrate all the way through the body's tissues. Currently, passing through a fraction of an inch of skin is enough to scatter the light and scramble the image. Now researchers have developed a single-pixel optical system based on compressive sensing that can overcome the fundamental limitations imposed by this scattering.

Posted: Jul 2nd, 2014

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Superconducting-silicon qubits

Theorists propose a way to make superconducting quantum devices such as Josephson junctions and qubits, atom-by-atom, inside a silicon crystal. Such systems could combine the most promising aspects of silicon spin qubits with the flexibility of superconducting circuits.

Posted: Jul 2nd, 2014

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New metamaterial gives light a one-way ticket

The light-warping structures known as metamaterials have a new trick in their ever-expanding repertoire. Researchers have built a silver, glass and chromium nanostructure that can all but stop visible light cold in one direction while giving it a pass in the other. The device could someday play a role in optical information processing and in novel biosensing devices.

Posted: Jul 1st, 2014

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