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Researchers replicate Doctor Who's famous sonic screwdriver (w/video)

For fans of the hit series Doctor Who, the Sonic Screwdriver will be a familiar device. But now an international team of EU-funded researchers has taken equipment designed for magnetic resonance imaging (MRI)-guided focused ultrasound surgery and demonstrated a real Sonic Screwdriver, lifting and spinning a free-floating 10 cm-diameter rubber disk with an ultrasound beam.

Posted: Apr 23rd, 2012

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Self-assembling nano boxes open the door to "smart" particles

While it is relatively straightforward to build a box on the macroscale, it is much more challenging at smaller micro- and nanometer length scales. At those sizes, three-dimensional (3-D) structures are too small to be assembled by any machine and they must be guided to assemble on their own. And now, research has led to a breakthrough showing that higher order polyhedra can indeed fold up and assemble themselves.

Posted: Apr 23rd, 2012

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Compressed sensing allows super-resolution microscopy imaging of live cell structures

Researchers from the Georgia Institute of Technology and University of California San Francisco have advanced scientists' ability to view a clear picture of a single cellular structure in motion. By identifying molecules using compressed sensing, this new method provides needed spatial resolution plus a faster temporal resolution than previously possible.

Posted: Apr 23rd, 2012

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Self-assembling highly conductive plastic nanofibers

Researchers from CNRS and the Universite de Strasbourg have succeeded in making highly conductive plastic fibers that are only several nanometers thick. These nanowires, for which CNRS has filed a patent, self-assemble when triggered by a flash of light.

Posted: Apr 23rd, 2012

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Controlling heat flow with atomic-level precision

Through a combination of atomic-scale materials design and ultrafast measurements, researchers at the University of Illinois have revealed new insights about how heat flows across an interface between two materials.

Posted: Apr 22nd, 2012

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IBM demonstrates graphene devices for terahertz waves

Graphene has been courted as the miracle material of the future, since different formulations have been fabricated into conductors, semiconductors and insulators. Now IBM has added photonic to the list by demonstrating a graphene/insulator superlattice that achieves a terahertz frequency notch filter and a linear polarizer, devices which could be useful in future mid- and far-infrared photonic devices, including detectors, modulators and three-dimensional metamaterials.

Posted: Apr 22nd, 2012

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Cees Dekker receives the 2012 ISNCE Nanoscience Prize

The yearly price is awarded by the International Society of Nanoscale Science, Engineering, and Computation. Dekker receives the award 'in recognition of outstanding discoveries and contributions to the field of (biomolecular) nanoscale science and nanotechnology'.

Posted: Apr 21st, 2012

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