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'Nanocamera' takes pictures at distances smaller than light's own wavelength

How is it possible to record optically encoded information for distances smaller than the wavelength of light?

22-07-2014

Researchers at the University of Illinois at Urbana-Champaign have demonstrated that an array of novel gold, pillar-bowtie nanoantennas (pBNAs) can be used like traditional photographic film to record light for distances that are much smaller than the wavelength of light (for example, distances ...

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University of Illinois study advances limits for ultrafast nano-devices

15-07-2014

A recent study by researchers at the University of Illinois at Urbana-Champaign provides new insights on the physical mechanisms governing the interplay of spin and heat at the nanoscale, and addresses the fundamental limits of ultrafast spintronic devices for data storage and information ...

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Controlling thermal conductivities can improve energy storage

10-06-2014

Controlling the flow of heat through materials is important for many technologies. While materials with high and low thermal conductivities are available, materials with variable and reversible thermal conductivities are rare, and other than high pressure experiments, only small reversible ...

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Illinois researchers combine weak chemical forces to strengthen novel imaging technology

A new nanoparticle design, inspired by cell membranes, has led to clearer MRI images and paved the way for better diagnostic tools

26-05-2014

When University of Illinois Associate Professor of Chemical and Biomolecular Engineering Hyunjoon Kong, graduate student Cartney Smith, and colleagues set out to improve MR imaging (MRI), they turned current contrast agent technology on its head —or rather, they turned it inside out. The new ...

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Making better medicines with a handful of chemical building blocks

21-05-2014

Soon, making and improving medical drugs could be as easy for chemists as stacking blocks is for a child. University of Illinois chemist Martin Burke, a pioneer of a technique that constructs complex molecules from simple chemical "building blocks," led a group that found that thousands of ...

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Repeated self-healing now possible in composite materials

17-04-2014

Internal damage in fiber-reinforced composites, materials used in structures of modern airplanes and automobiles, is difficult to detect and nearly impossible to repair by conventional methods. A small, internal crack can quickly develop into irreversible damage from delamination, a process in ...

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Converting sugarcane to a cold-tolerant, oil-producing crop

26-02-2014

A multi-institutional team reports that it can increase sugarcane's geographic range, boost its photosynthetic rate by 30 percent and turn it into an oil-producing crop for biodiesel production. These are only the first steps in a bigger initiative that will turn sugarcane and sorghum – two of ...

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Plastic shopping bags make a fine diesel fuel

14-02-2014

Plastic shopping bags, an abundant source of litter on land and at sea, can be converted into diesel, natural gas and other useful petroleum products, researchers report. The conversion produces significantly more energy than it requires and results in transportation fuels – diesel, for example – ...

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Off-the-shelf materials lead to self-healing polymers

06-02-2014

Look out, super glue and paint thinner. Thanks to new dynamic materials developed at the University of Illinois, removable paint and self-healing plastics soon could be household products. U. of I. materials science and engineering professor Jianjun Cheng, graduate student Hanze Ying and ...

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Nanotubes can solder themselves

27-11-2013

University of Illinois researchers have developed a way to heal gaps in wires too small for even the world’s tiniest soldering iron. Led by electrical and computer engineering professor Joseph Lyding and graduate student Jae Won Do, the Illinois team published its results in the journal Nano ...

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