Looking for a parking space for hours at a busy shopping mall or being stuck on roads jammed with cars releasing large amounts of carbon dioxide are all-too-familiar scenes for city dwellers.
Engineering
Aug 20, 2013
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Two crucial tasks exist for realizing high-efficiency polymer solar cells: increasing the range of the spectral absorption of light and efficiently harvesting photo-generated excitons. In this work, Förster resonance energy ...
Nanophysics
Aug 20, 2013
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Urban planners must re-invent city transportation systems to save up to $70 trillion globally in the next 37 years, a study said on Wednesday citing the examples of Belgrade, Seoul and New York City.
Energy & Green Tech
Jul 10, 2013
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A process combining some comparatively cheap materials and the same antifreeze that keeps an automobile radiator from freezing in cold weather may be the key to making solar cells that cost less and avoid toxic compounds, ...
Nanomaterials
Jul 3, 2013
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The efficient conversion of sunlight into useful energy is one of the challenges which stand in the way of meeting the world's increasing energy demand in a clean, sustainable way without relying on fossil fuels. Photosynthetic ...
Quantum Physics
Jun 20, 2013
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(Phys.org) —How are engineers doing in solving the problem of large-sized all electric transport vehicles traveling long distances without the burden of large batteries? One workaround that has been the topic of much discussion ...
(Phys.org) —When blessed with a resource in overwhelming abundance it's generally a good idea to make valuable use of that resource. Lignocellulosic biomass is the most abundant organic material on Earth. For thousands ...
Biotechnology
Mar 29, 2013
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(Phys.org)—Using the power of the sun and ultrathin films of iron oxide (commonly known as rust), Technion-Israel Institute of Technology researchers have found a novel way to split water molecules into hydrogen and oxygen. ...
Materials Science
Nov 13, 2012
29
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(Phys.org)—Scaling up the production of biofuels made from algae to meet at least 5 percent – about 10 billion gallons – of U.S. transportation fuel needs would place unsustainable demands on energy, water and nutrients, ...
Energy & Green Tech
Nov 2, 2012
7
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Scaling up the production of biofuels made from algae to meet at least 5 percent—approximately 39 billion liters—of U.S. transportation fuel needs would place unsustainable demands on energy, water, and nutrients, says ...
Biotechnology
Oct 24, 2012
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