Ethiopia has begun diverting the Blue Nile as part of a giant dam project, officials said Wednesday, risking potential unease from downstream nations Sudan and Egypt.
May 29, 2013
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(Phys.org)—Although the LHC has often been called the largest machine in the world, that title may be more appropriately given to something much more familiar: power grids. Consisting of thousands of generators ...
Feb 22, 2013
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(Phys.org)—If you think it's been unusually hot lately, just wait—by the end of the century, temperatures in California are expected to rise significantly. What that means for human health, agriculture, ...
Dec 19, 2012
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The construction of what is to become Africa's biggest wind farm will start by June in an arid region of northern Kenya, the project's officials said on Saturday.
Mar 24, 2012
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Your smart phone uses broadband to connect you to the world. But when charging it, you're relying on an electrical system that was designed and built in the era of the rotary phone.
Feb 19, 2012
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Over the next two decades, the U.S. electric grid will face unprecedented technological challenges stemming from the growth of distributed and intermittent new energy sources such as solar and wind power, ...
Dec 05, 2011
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A new type of active metamaterial that incorporates semiconductor devices into conventional metamaterial structures is demonstrating an ability to have power gain while retaining its negative refraction property, a first ...
Nov 09, 2011
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Fuel cells seem like an ideal energy source -- they're clean, efficient, silent and don't require transmission lines. The hitch? They can be costly. Now scientists at Lawrence Berkeley National Laboratory (Berkeley Lab) hope ...
Nov 01, 2011
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(PhysOrg.com) -- By demonstrating that an artificial atom embedded in a transmission line can route a single photon from an input port to one of two output ports, physicists have built the first router working ...
Aug 22, 2011
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A joint cooperation between three research groups at nanoGUNE reports an innovative method to focus infrared light with tapered transmission lines to nanometer-size dimensions. This device could trigger the ...
Apr 04, 2011
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Nokia Siemens Networks has successfully tested a technology that could drastically increase the data carrying capacity of standard copper wires. The company achieved data transmission speeds of 825 megabits per second (Mbps) ...
Oct 31, 2010
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Investors on Oct. 12 proposed to build an underwater electricity superhighway that would carry wind power generated off the Mid-Atlantic Coast to land.
Oct 18, 2010
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Panasonic today announced the development of a new terahertz (THz) detector using a Gallium Nitride (GaN) transistor. The detector exhibits the world highest sensitivity at room temperature. The GaN-based ...
Jun 23, 2010
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(PhysOrg.com) -- Overhead transmission lines traverse thousands of kilometers, often crossing remote areas. Inspecting the often ageing lines and the vegetation near them is an important aspect of maintenance, ...
Jun 10, 2010
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(PhysOrg.com) -- Iowa State University engineers are developing new and improved poles to carry electricity across the countryside. They say the new structures -- which can bend and deflect an extreme load ...
May 11, 2010
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