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24 Current news of Virginia Polytechnic Institute and State University

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Interdisciplinary team discovers double helix structure in synthetic macromolecule

12-Mar-2019

Researchers in the College of Science and College of Engineering have discovered that a high-strength called "PBDT" has a rare double helix structure, opening possibilities for use in a variety of applications. This discovery, recently published in Nature Communications, comes as an extension of ...

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Process to 3D print piezoelectric materials developed

Could be used to develop intelligent materials and self-adaptive infrastructures and transducers

23-Jan-2019

The piezoelectric materials that inhabit everything from our cell phones to musical greeting cards may be getting an upgrade thanks to work discussed. Xiaoyu 'Rayne' Zheng, assistant professor of mechanical engineering in the College of Engineering, and a member of the Macromolecules Innovation ...

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A path to sustainable and biodegradable polyesters

04-Jun-2018

There's a good chance you've touched something made out of the polyolefin polymer today. It's often used in polyethylene products like plastic bags or polypropylene products like diapers. As useful as polyolefins are in society, they continue to multiply as trash in the environment. Scientists ...

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Forget defrosting your car at a glacial pace

New research speeds process up tenfold

12-Jul-2017

Jonathan Boreyko turned on the defroster in his car one cold winter morning and waited for the ice on the windshield to melt. And kept waiting. Boreyko, an assistant professor in the Department of Biomedical Engineering and Mechanics in the Virginia Tech College of Engineering, knew there had to ...

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Taking a cue from spider glue to create new materials

28-Oct-2015

A taut tug on the line signals the arrival of dinner, and the leggy spider dashes across the web to find a tasty squirming insect. The spider, known as an orb weaver, must perfectly execute this moment, from a lightning-fast reaction to an artfully spun web glistening with sticky glue. This glue ...

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Researchers mine information from next-generation subsurface flow simulations

11-Sep-2015

Ask a geoscientist how he or she feels about the phrase, "out of sight, out of mind," and you likely will meet some serious resistance. The scientist likely would explain that learning how different materials interact with one another below the Earth's surface is of the utmost importance. Indeed, ...

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Nature has more than one way to grow a crystal

New insight on how crystals form may advance materials, health, basic science research

04-Aug-2015

Scientists have long worked to understand how crystals grow into complex shapes. Crystals are important in materials from skeletons and shells to soils and semiconductor materials, but much is unknown about how they form. Now, an international group of researchers has shown how nature uses a ...

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Understanding of valley-wide stream chemistry

Analysis reveals unexpected patterns in chemical components

23-Apr-2014

A geostatistical approach for studying environmental conditions in stream networks and landscapes has been successfully applied at a valley-wide scale to assess headwater stream chemistry at high resolution, revealing unexpected patterns in natural chemical components. "Headwater streams make up ...

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Energy-dense sugar battery

23-Jan-2014

A Virginia Tech research team has developed a battery that runs on sugar and has an unmatched energy density, a development that could replace conventional batteries with ones that are cheaper, refillable, and biodegradable. The findings from Y.H. Percival Zhang, an associate professor of ...

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Mercury concentrations in fish much lower than expected

02-Jan-2014

For years, scientists have assumed that if mercury is high and increasing in fish in the North American and European Arctic, the same is true of fish elsewhere in the Arctic. But a team of scientists from the U.S., Russia, and Canada has discovered that assumption is wrong in much of the ...

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