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Silicon spin transistors heat up and spins last longer

University of Utah researchers built "spintronic" transistors and used them to align the magnetic "spins" of electrons for a record period of time in silicon chips at room temperature. The study is a step toward computers, phones and other spintronic devices that are faster and use less energy than their electronic counterparts.

Posted: Mar 15th, 2011

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New desalination process using carbon nanotubes

A faster, better and cheaper desalination process enhanced by carbon nanotubes has been developed by NJIT Professor Somenath Mitra. The process creates a unique new architecture for the membrane distillation process by immobilizing carbon nanotubes in the membrane pores. Conventional approaches to desalination are thermal distillation and reverse osmosis.

Posted: Mar 14th, 2011

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Nanorods could greatly improve visual display of information

Chemists at the University of California, Riverside have developed tiny, nanoscale-size rods of iron oxide particles in the lab that respond to an external magnetic field in a way that could dramatically improve how visual information is displayed in the future.

Posted: Mar 14th, 2011

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New techniques set stage for ultra-fast nanophotography

Processes at the atomic level are not only miniscule; they are often extremely fast and therefore, difficult to capture in action. But now, German scientists together with U.S. colleagues present techniques that take us a good step closer to producing an 'atomic movie'.

Posted: Mar 14th, 2011

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Cameras out of the salt shaker

There have been gloves and shavers for one-off use for a long time. In future, there will also be disposable endoscopes for minimally invasive operations on the human body. A new microcamera is what makes it possible. It is as large as a grain of salt, supplies razor-sharp pictures and can be manufactured very inexpensively.

Posted: Mar 14th, 2011

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Magnetic vortices on nanostructured thin-film for data storage

Magnetic vortices show promise as data storage structures, however the vortex formation process imposes a lower limit on the element's size. Here, a technique is presented, which application increases the probability of nucleating of magnetic vortices in sub-micrometer sized soft magnetic thin film elements.

Posted: Mar 14th, 2011

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Snapshots of laser driven electrons

Physicists of the Laboratory of Attosecond Physics at the Max Planck Institute of Quantum Optics succeeded in the first real-time observation of laser produced electron plasma waves and electron bunches accelerated by them.

Posted: Mar 14th, 2011

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Book illuminates life, legacy of physicist Feynman

From childhood sweetheart to quantum electrodynamics, the life and scientific contributions of the legendary Richard Feynman, a physicist of mythic hero status, are given a new and stimulating perspective in a book by Arizona State University professor Lawrence M. Krauss.

Posted: Mar 14th, 2011

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Scientists achieve breakthrough in nanocomposite for high-capacity hydrogen storage

Scientists with the Lawrence Berkeley National Laboratory (Berkeley Lab) have designed a new composite material for hydrogen storage consisting of nanoparticles of magnesium metal sprinkled through a matrix of polymethyl methacrylate, a polymer related to Plexiglas. This pliable nanocomposite rapidly absorbs and releases hydrogen at modest temperatures without oxidizing the metal after cycling - a major breakthrough in materials design for hydrogen storage, batteries and fuel cells.

Posted: Mar 13th, 2011

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Irish nanotechnology centre reports significant milestones for 2009-2010 period

The Science Foundation Ireland funded centre CRANN has launched its public report for 2009-2010. The report highlights that CRANN, a Trinity College Dublin Institute founded in 2004, has continued to establish itself as a national and international force in nanoscience and nanotechnology research and collaborative industry engagement.

Posted: Mar 12th, 2011

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Turn your smartphone into a biomedical device

In a new, free-access paper in PloS one, researchers propose to take advantage of the rapid improvements in commercial CMOS sensors and microscopic optics driven by the cell-phone industry to develop two common biomedical devices, namely a microscope and spectrometer, that are available as simple and inexpensive add-ons to a commercial cell phone camera like Apple's iPhone.

Posted: Mar 11th, 2011

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