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Scientists build record-setting metamaterial flat lens

For the first time, scientists working at the National Institute of Standards and Technology (NIST) have demonstrated a new type of lens that bends and focuses ultraviolet (UV) light in such an unusual way that it can create ghostly, 3D images of objects that float in free space. The easy-to-build lens could lead to improved photolithography, nanoscale manipulation and manufacturing, and even high-resolution three-dimensional imaging, as well as a number of as-yet-unimagined applications in a diverse range of fields.

Posted: May 24th, 2013

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Nano-needles for cells

Nano-sized needles developed by researchers at the Norwegian University of Science and Technology (NTNU) in Trondheim can force medicine into cells, even when the cell membranes offer resistance. The needles will make it easier to study the effects of medicines on cells.

Posted: May 24th, 2013

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A quantum simulator for magnetic materials

Physicists understand perfectly well why a fridge magnet sticks to certain metallic surfaces. But there are more exotic forms of magnetism whose properties remain unclear, despite decades of intense research. An important step towards filling these gaps comes now from Tilman Esslinger and his group at the Department of Physics. The team has developed a new kind of device that uses laser beams and atoms to emulate magnetic materials.

Posted: May 23rd, 2013

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Graphene - what next after the hype?

Graphene has already come a long way towards commercialisation, despite its short history. Manufacturers are busy closing their second or third round of financing and many are installing multi-tonne production capacities across the world.

Posted: May 23rd, 2013

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Stitching defects into the world's thinnest semiconductor

In pioneering new research at Columbia University, scientists have grown high-quality crystals of molybdenum disulfide (MoS2), the world's thinnest semiconductor, and studied how these crystals stitch together at the atomic scale to form continuous sheets.

Posted: May 22nd, 2013

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New technique may open up an era of atomic-scale semiconductor devices

Researchers at North Carolina State University have developed a new technique for creating high-quality semiconductor thin films at the atomic scale - meaning the films are only one atom thick. The technique can be used to create these thin films on a large scale, sufficient to coat wafers that are two inches wide, or larger.

Posted: May 22nd, 2013

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