(Phys.org) —A persistent problem for mathematicians trying to understand the structures of networks – in datasets representing relationships among everything from galaxies to people – is community detection: finding ...
Computer Sciences
Nov 27, 2013
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Those who study hydrophobic materials—water-shedding surfaces such as those found in nature and created in the laboratory—are familiar with a theoretical limit on the time it takes for a water droplet to bounce away from ...
General Physics
Nov 20, 2013
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(Phys.org)—Theoretical physicists Robert Alicki and Mark Fannes of the University of Gdansk and the University of Leuven respectively, have uploaded a paper to the preprint server arXiv where they theorize that it should ...
Researchers from Singapore's Institute of Materials Research and Engineering (IMRE) and the University of Michigan have developed a blue organic light emitting diode (OLED) with an efficiency level that is double the maximum ...
Engineering
Jun 24, 2011
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For thousands of years, craftsmen have applied gilding, a thin layer of gold, to objects to enhance their value. Now, researchers at DOE's Jefferson Lab are using this same idea to enhance materials for accelerator science.
General Physics
Jun 1, 2011
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(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way to a technology ...
General Physics
Nov 18, 2009
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Researchers at the University of Pennsylvania have developed a theoretical model that informs the understanding of evolution and determines how quickly an organism will evolve using a catalogue of "evolutionary speed limits." ...
Evolution
Nov 2, 2009
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