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Diamonds, nanotubes find common ground in graphene

What may be the ultimate heat sink is only possible because of yet another astounding capability of graphene. The one-atom-thick form of carbon can act as a go-between that allows vertically aligned carbon nanotubes to grow on nearly anything, including diamonds.

Posted: May 28th, 2013

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Shape-shifting nanoparticles flip from sphere to net in response to tumor signal

Scientists at the University of California, San Diego, have designed tiny spherical particles to float easily through the bloodstream after injection, then assemble into a durable scaffold within diseased tissue. An enzyme produced by a specific type of tumor can trigger the transformation of the spheres into netlike structures that accumulate at the site of a cancer.

Posted: May 28th, 2013

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Nanoscale facility tool map makes manufacturing sense

Cornell's National Science Foundation-supported nanotechnology experimentation and fabrication facility, has formed a partnership with the Smart System Technology and Commercialization Center in Canandaigua, N.Y., part of SUNY's College of Nanoscale Science and Engineering, to streamline the design process and help companies plan for mass manufacturing.

Posted: May 28th, 2013

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Fast or superfast water transport with carbon nanotubes?

There were high hopes of using carbon nanotubes, particularly for ultra-fast water transport to desalinate seawater. However, a simulation now reveals that these ultra-fast transport rates might have not been properly grounded after all. Researchers who work with experiments and computer models have been at odds over the capabilities and governing physics of the material ever since.

Posted: May 28th, 2013

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Hydrogen atoms under the magnifying glass

Scientists have succeeded in building a microscope that allows magnifying the wave function of excited electronic states of the hydrogen atom by a factor of more than twenty-thousand, leading to a situation where the nodal structure of these electronic states can be visualized on a two-dimensional detector.

Posted: May 27th, 2013

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Helicopter-light-beams - a new tool for quantum optics

A light wave oscillates perpendicular to its propagation direction - that is what students learn in school. However, scientists of the Vienna University of Technology now perform atom-physics experiments with light oscillating in the longitudinal direction.

Posted: May 27th, 2013

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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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