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22 Current news of Johns Hopkins University

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New materials discovered to detect neutrons emitted by radioactive materials

06-Mar-2015

Scientist Christopher Lavelle of the Johns Hopkins University Applied Physics Laboratory, together with a team of researchers from the University of Maryland and the National Institute of Standards and Technology, has successfully shown that boron-coated vitreous carbon foam can be used in the ...

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Wind energy: On the grid, off the checkerboard

03-Apr-2014

As wind farms grow in importance across the globe as sources of clean, renewable energy, one key consideration in their construction is their physical design -- spacing and orienting individual turbines to maximize their efficiency and minimize any "wake effects," where the swooping blades of one ...

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It's all coming back to me now

Researchers find caffeine enhances memory

14-Jan-2014

For some, it's the tradition of steeping tealeaves to brew the perfect cup of tea. For others, it's the morning shuffle to a coffee maker for a hot jolt of java. Then there are those who like their wake up with the kind of snap and a fizz usually found in a carbonated beverage. Regardless of the ...

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Tiny bubbles in your metallic glass may not be a cause for celebration

07-Jun-2013

Bubbles in a champagne glass may add a festive fizz to the drink, but microscopic bubbles that form in a material called metallic glass can signal serious trouble. In this normally high-strength material, bubbles may indicate that a brittle breakdown is in progress. That's why Johns Hopkins ...

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Origami meets chemistry in scholarly video-article

18-Feb-2013

The nanotechnology research space is rapidly growing, with vast implications for the healthcare, consumer electronics, surveillance, and defense industries. However, a major limitation to this research is the ability to create particles that vary in shape and function on a micrometer or nanometer ...

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Giving transplanted cells a nanotech checkup

Researchers devise way to safely see whether replacement cells are still alive

07-Feb-2013

Researchers at Johns Hopkins have devised a way to detect whether cells previously transplanted into a living animal are alive or dead, an innovation they say is likely to speed the development of cell replacement therapies for conditions such as liver failure and type 1 diabetes. The study used ...

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Fleeting fluctuations in superconductivity disappear close to transition temperature

Measurements on super-short timescale indicate loss of coherence among electron pairs and may help explain the mechanism of high-temperature superconductivity

15-Feb-2011

As part of an ongoing effort to uncover details of how high-temperature superconductors carry electrical current with no resistance, scientists at Johns Hopkins University and the U.S. Department of Energy's Brookhaven National Laboratory have measured fluctuations in superconductivity across a ...

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European REACH legislation for chemicals may require more animals and funds than estimated

28-Aug-2009

The European Union's REACH (Registration, Evaluation, Authorization and Restriction of Chemical) legislation is intended as a comprehensive safety evaluation for commercial chemicals used in consumer products that are traded in Europe at amounts more than one ton per year. However, implementation ...

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LEGO toy helps researchers learn what happens on nanoscale

27-Aug-2009

Johns Hopkins engineers are using a popular children's toy to visualize the behavior of particles, cells and molecules in environments too small to see with the naked eye. These researchers are arranging little LEGO pieces shaped like pegs to re-create microscopic activity taking place inside ...

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Nanotechnologists gain powerful new materials probe

02-Mar-2009

Researchers at the National Institute of Standards and Technology (NIST) and The Johns Hopkins University have constructed a unique tool for exploring the properties of promising new materials with unprecedented sensitivity and speed — potentially allowing them to identify quickly those most ...

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