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Researchers develop new way to manufacture nanofibers

27-May-2015

Researchers at the University of Georgia have developed an inexpensive way to manufacture extraordinarily thin polymer strings commonly known as nanofibers. These polymers can be made from natural materials like proteins or from human-made substances to make plastic, rubber or fiber, including ...

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Defects can 'Hulk-up' materials

26-May-2015

In the story of the Marvel Universe superhero known as the Hulk, exposure to gamma radiation transforms scientist Bruce Banner into a far more powerful version of himself. In a study at Berkeley Lab, exposure to alpha-particle radiation has been shown to transform certain thermoelectric materials ...

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Tunable liquid metal antennas

Using electrochemistry, researchers have created a reconfigurable, voltage-controlled liquid metal antenna

21-May-2015

Researchers have held tremendous interest in liquid metal electronics for many years, but a significant and unfortunate drawback slowing the advance of such devices is that they tend to require external pumps that can't be easily integrated into electronic systems.So a team of North Carolina ...

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Nature inspires first artificial molecular pump

Simple design mimics pumping mechanism of life-sustaining proteins found in living cells

21-May-2015

Using nature for inspiration, a team of Northwestern University scientists is the first to develop an entirely artificial molecular pump, in which molecules pump other molecules. This tiny machine is no small feat. The pump one day might be used to power other molecular machines, such as ...

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Researchers build new fermion microscope

Instrument freezes and images 1,000 individual fermionic atoms at once

19-May-2015

Fermions are the building blocks of matter, interacting in a multitude of permutations to give rise to the elements of the periodic table. Without fermions, the physical world would not exist.Examples of fermions are electrons, protons, neutrons, quarks, and atoms consisting of an odd number of ...

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New nanomaterials inspired by bird feathers play with light to create color

Wide range of pure colors created by nanoscale arrangement of synthetic melanin

19-May-2015

Inspired by the way iridescent bird feathers play with light, scientists have created thin films of material in a wide range of pure colors - from red to green - with hues determined by physical structure rather than pigments.Structural color arises from the interaction of light with materials ...

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Probing iron chemistry in the deep mantle

18-May-2015

Carbonates are a group of minerals that contain the carbonate ion (CO32-) and a metal, such as iron or magnesium. Carbonates are important constituents of marine sediments and are heavily involved in the planet's deep carbon cycle, primarily due to oceanic crust sinking into the mantle, a process ...

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ORNL demonstrates first large-scale graphene fabrication

18-May-2015

One of the barriers to using graphene at a commercial scale could be overcome using a method demonstrated by researchers at the Department of Energy's Oak Ridge National Laboratory. Graphene, a material stronger and stiffer than carbon fiber, has enormous commercial potential but has been ...

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ORNL superhydrophobic glass coating offers clear benefits

15-May-2015

A moth's eye and lotus leaf were the inspirations for an antireflective water-repelling, or superhydrophobic, glass coating that holds significant potential for solar panels, lenses, detectors, windows, weapons systems and many other products.The discovery by researchers at the Department of ...

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Defects in atomically thin semiconductor emit single photons

Researchers create optically active quantum dots in 2-D semiconductor for the first time; may have applications for integrated photonics

07-May-2015

Researchers at the University of Rochester have shown that defects on an atomically thin semiconductor can produce light-emitting quantum dots. The quantum dots serve as a source of single photons and could be useful for the integration of quantum photonics with solid-state electronics - a ...

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