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New haptic microscope technique allows researchers to 'feel' the microworld

What if you could reach through a microscope to touch and feel the microscopic structures under the lens? In a breakthrough that may usher in a new era in the exploration of the worlds that are a million times smaller than human beings, researchers at Université Pierre et Marie Curie in France have unveiled a new technique that allows microscope users to manipulate samples using a technology known as 'haptic optical tweezers'.

Posted: Sep 13th, 2013

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The '50-50' chip: Memory device of the future?

A new, environmentally-friendly electronic alloy consisting of 50 aluminum atoms bound to 50 atoms of antimony may be promising for building next-generation 'phase-change' memory devices, which may be the data-storage technology of the future.

Posted: Sep 13th, 2013

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Surface cleaning boosts nanowire solar cell efficiency

Energy losses in nanowire solar cell can be significantly reduced by 'cleaning' the surface of the cells with a special etching method. This has been shown by researchers at Eindhoven University of Technology, Delft University of Technology and Philips. The solar cell has an efficiency of 11.1%, putting it just below the current world record, but it was reached with much less use of material.

Posted: Sep 13th, 2013

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Toward a truly white organic LED

By inserting platinum atoms into an organic semiconductor, University of Utah physicists were able to 'tune' the plastic-like polymer to emit light of different colors - a step toward more efficient, less expensive and truly white organic LEDs for light bulbs of the future.

Posted: Sep 13th, 2013

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Graphene made from DNA template could change electronics

It is difficult to make graphene in forms needed for electronics. Now, researchers from Stanford University have found a new method of making graphene by chemically converting DNA templates into flat sheets of carbon, potentially overcoming that limitation.

Posted: Sep 13th, 2013

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Pushing and pulling droplets with graphene

Scientists have moved liquid droplets using long chemical gradients formed on graphene. The change in concentration of either fluorine or oxygen formed using a simple plasma-based process either pushes or pulls droplets of water or nerve agent simulant across the surface. This new achievement offers potential applications ranging from electronics to mechanical resonators to bio/chemical sensors.

Posted: Sep 12th, 2013

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