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27 Current news of University of Pennsylvania

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Penn researchers show commonalities in how different glassy materials fail

11-Dec-2014

Glass is mysterious. It is a broad class of materials that extends well beyond the everyday window pane, but one thing that these disparate glasses seem to have in common is that they have nothing in common when it comes to their internal structures, especially in contrast with highly ordered and ...

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Research combines graphene and painkiller receptor

14-May-2014

Almost every biological process involves sensing the presence of a certain chemical. Finely tuned over millions of years of evolution, the body’s different receptors are shaped to accept certain target chemicals. When they bind, the receptors tell their host cells to produce nerve impulses, ...

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Metamaterials that act as an analog computer

14-Jan-2014

The field of metamaterials has produced structures with unprecedented abilities, including flat lenses, invisibility cloaks and even optical "metatronic" devices that can manipulate light in the way electronic circuitry manipulates the flow of electrons. Now, the birthplace of the digital ...

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David J. Srolovitz Awarded 2013 Materials Theory Award

University of Pennsylvania professor receives award for exceptional advances in theoretical materials science

20-Nov-2013

The Materials Research Society (MRS) has named David J. Srolovitz, University of Pennsylvania, to receive its Materials Theory Award for his “decisive and highly influential contributions to the theory and simulation of microstructure, morphological evolution, mechanical behavior, and the ...

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Nano-breakthrough: Solving the case of the herringbone crystal

15-May-2013

Leading nanoscientists created beautiful, tiled patterns with flat nanocrystals, but they were left with a mystery: Why did some sets of crystals arrange themselves in an alternating, herringbone style? To find out, they turned to experts in computer simulation at the University of Michigan and ...

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Group of Bradford Co, Pa. residents concerned about health effects of hydrofracking

13-May-2013

Residents living in areas near natural gas operations, also known as hydraulic fracturing, or fracking, are concerned their illnesses may be a result of nearby drilling operations. Twenty-two percent of the participants in a small pilot study surmise that hydrofracking may be the cause of such ...

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Nanotechnologists reveal the frictional characteristics of atomically thin sheets

08-Apr-2010

A team of nanotechnology researchers from the University of Pennsylvania and Columbia University has used friction force microscopy to determine the nanoscale frictional characteristics of four atomically-thin materials, discovering a universal characteristic for these very different materials. ...

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Layered graphene sheets could solve hydrogen storage issues

19-Mar-2010

Graphene - carbon formed into sheets a single atom thick - now appears to be a promising base material for capturing hydrogen, according to recent research at the National Institute of Standards and Technology (NIST) and the University of Pennsylvania. The findings suggest stacks of graphene ...

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Nanotechnologists from Penn collaborate to form near-frictionless diamond material

03-Mar-2010

Researchers at the University of Pennsylvania, the University of Wisconsin-Madison and IBM Research-Zürich have fabricated an ultra sharp, diamond-like carbon tip possessing such high strength that it is 3,000 times more wear-resistant at the nanoscale than silicon. The end result is a ...

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Penn study: Transforming nanowires into nano-tools using cation exchange reactions

28-Oct-2009

A team of engineers from the University of Pennsylvania has transformed simple nanowires into reconfigurable materials and circuits, demonstrating a novel, self-assembling method for chemically creating nanoscale structures that are not possible to grow or obtain otherwise. The research team, ...

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