Search results for fractal

Nanophysics May 16, 2013

Stacking 2-D materials produces surprising results

(Phys.org) —Graphene has dazzled scientists, ever since its discovery more than a decade ago, with its unequalled electronic properties, its strength and its light weight. But one long-sought goal has proved elusive: how ...

Nanophysics May 15, 2013

40-year-old prediction confirmed: First direct proof of Hofstadter butterfly fractal observed in moire superlattices

A team of researchers from Columbia University, City University of New York, the University of Central Florida (UCF), and Tohoku University and the National Institute for Materials Science in Japan, have directly observed ...

Nanomaterials May 15, 2013

Catching graphene butterflies

Writing in Nature, a large international team led Dr Roman Gorbachev from The University of Manchester shows that, when graphene placed on top of insulating boron nitride, or 'white graphene', the electronic properties of ...

Earth Sciences May 6, 2013

Russian researchers find more evidence to support notion that lightning is caused by cosmic rays

(Phys.org) —Russian physicists Alex Gurevich and Anatoly Karashtin claim, in a paper published in the journal Physical Review Letters, they have found more evidence to support their idea that lightning is caused by cosmic ...

Soft Matter Apr 26, 2013

The nanostructure of edible fats

Researchers at DOE's Brookhaven are using the National Synchrotron Light Source (NSLS) to categorize the many facets of fat crystals. They've learned that the distribution and directionality of these crystal nanostructures ...

Engineering Apr 24, 2013

From molecules to gallons: Scaling up fuels created by artificial photosynthesis

(Phys.org) —Artificial photosynthesis is a dream technology that mimics a natural leaf, converting water and carbon dioxide into fuels with sunlight. But before this technology can take flight, scientists will have to solve ...

Cell & Microbiology Mar 21, 2013

Novel insights into the evolution of protein networks

System-wide networks of proteins are indispensable for organisms. Function and evolution of these networks are among the most fascinating research questions in biology. Bioinformatician Thomas Rattei, University of Vienna, ...

General Physics Feb 19, 2013

That's the way the droplets adhere

Understanding exactly how droplets and bubbles stick to surfaces—everything from dew on blades of grass to the water droplets that form on condensing coils after steam drives a turbine in a power plant—is a "100-year-old ...

Mathematics Feb 19, 2013

Art and science do mix—and can unlock new discoveries

(Phys.org)—There are "things hidden in plain sight" all around us. But art can help students see their world anew, unlocking discoveries in fields ranging from plant biology to biomedical imaging, according to University ...

Earth Sciences Feb 11, 2013

How many lakes are there, and how big are they?

Because of the important role lakes play in regional and local biogeochemical cycling, including carbon storage and emissions, scientists need to know how many lakes of various sizes exist. However, determining the size distribution ...

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