Picture two charged particles in a vacuum. Thanks to laws of elementary electrostatics, we can easily calculate the force these particles exert upon one another, and therefore predict their movements.
General Physics
Nov 28, 2012
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Few recently discovered chemical reactions have proven as powerful as the copper-catalysed Huisgen 1,3-dipolar cycloaddition between azides and alkynes—a transformation better known as a 'click reaction'. The process gets ...
Materials Science
Oct 26, 2012
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(Phys.org)—Catalysts are substances that speed up the rates of chemical reactions without themselves being chemically changed. Industrial catalysts come in two main types - heterogeneous, in which the catalyst is in a different ...
Materials Science
Oct 10, 2012
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The National Science Foundation (NSF) and the National Institutes of Health (NIH) today announced nearly $15 million in new big data fundamental research projects. These awards aim to develop new tools and methods to extract ...
Computer Sciences
Oct 3, 2012
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(Phys.org) -- Fossil-based resources are declining and their use releases the greenhouse gas CO2. Both of these problems could be significantly mitigated if we could use CO2 as a carbon source for the production of fuels ...
Materials Science
Jul 24, 2012
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In chemical industry, heterogeneous catalysis is of crucial importance to the manufacture of basic or fine chemicals, in catalytic converters of exhaust gas, or for the chemical storage of solar energy. Scientists of Karlsruhe ...
Materials Science
Apr 10, 2012
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(Phys.org) -- Contrary to expectations, formation and growth of complex organic particles generated during oxidation of volatile organic molecules by ozone and nitrate follows a non-equilibrium path, according to a recent ...
Materials Science
Apr 9, 2012
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Whether it protects space satellites or sequesters nuclear waste, scientists want to understand tiny features that could significantly alter how a material behaves. Locating microscopic defects can be done with powerful microscopes, ...
Materials Science
Feb 7, 2012
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The activity of online communities does not grow in line with the number of users, according to a model recently published in the European Physical Journal B.
General Physics
Sep 1, 2011
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We often think of rainforests and coral reefs as hotspots for biodiversity, but mountains are treasure troves for species too -- especially in the tropics, scientists say. But what drives montane biodiversity? The diversity ...
Environment
Jun 8, 2011
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