Using magnetism to understand superconductivity
Swiss research in atomic scale magnetism could play a role in the development of new materials that could permit lossless electricity transmission.
Sep 04, 2012
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Sep 04, 2012
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Turbulence ahead
Although the wind may blow smoothly onto a wind turbine, it comes out the other end shredded into a complex collage of whorls, large and small. In a wind farm, the turbulent wake generated by the first row ...
Sep 03, 2012
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A long-term view of critical materials: from coal to ytterbium
(Phys.org)—When Lawrence Berkeley National Laboratory scientist Frances Houle considers the national alarm that has sounded over the shortage of rare earth materials—critical ingredients in a wide range ...
Aug 29, 2012
3.7 / 5 (3)
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Superconductor 'flaws' could be key to its abilities
(Phys.org)—Many researchers studying superconductivity strive to create a clean, pure, perfect sample, but a team of physicists found that some flaws might hold the key to a material's unique abilities.
Aug 23, 2012
4.4 / 5 (8)
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How offshore wind turbines could be more efficient
A Cambridge University study suggests that offshore wind farms could be 100 per cent more efficient in terms of energy payback if manufacturers embraced new methods for making the structures that support ...
Aug 17, 2012
3.9 / 5 (12)
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Wind turbine with record-breaking rotors
Siemens has produced the world's longest rotor blades for wind turbines. Measuring 75 meters in length, the blades are almost as big as the wingspan of an Airbus A380. Beginning this fall, the B75 rotor blades ...
Jul 30, 2012
5 / 5 (4)
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Determining optimal design and operation of mixed-device energy systems
(Phys.org) -- Researchers in the Mathematics and Computer Science Division at Argonne National Laboratory, in collaboration with colleagues at the Colorado School of Mines, have developed an optimization model that makes ...
Jul 26, 2012
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Blackbird cart runs with wind only twice as fast
(Phys.org) -- This month’s news-making word in wind-powered vehicle experiments is “upwind.” Blackbird, a wind powered cart, has shown it can travel upwind at more than twice the speed of ci ...
Jul 12, 2012
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Wind turbines - bigger means more environmentally friendly
(Phys.org) -- A study conducted by researchers from the ETH and Empa has come to the conclusion that large sized wind turbines produce "greener" electric power than small ones. Environmental benefits have ...
Jul 12, 2012
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Canadian wind opponents welcome noise study
(AP) — Opponents of wind farms are hailing Health Canada's decision to study the possible connection between noise generated by the towering turbines and adverse health effects reported by people living close to them.
Jul 11, 2012
1 / 5 (1)
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Electricity in the air
(Phys.org) -- The faster a wind turbine's blade spins, the more energy you can get from it. And the farther you get from the hub, the faster that part of the blade is traveling. So the tips of the blades generate ...
Jul 03, 2012
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Naturally adhesive
Until now most adhesives have been manufactured from petroleum-based materials. However, they can also be obtained from renewable raw materials -- for example from proteins, natural rubber, starch, or cellulose. ...
Jul 02, 2012
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Japan finds major rare earth deposits: researcher
Japan has found a large deposit of rare earth minerals in its Pacific seabed, enough to supply its hi-tech industries for more than 200 years, a scientist said Friday.
Jun 29, 2012
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Scientists spark new interest in the century-old Edison battery
Stanford University scientists have breathed new life into the nickel-iron battery, a rechargeable technology developed by Thomas Edison more than a century ago.
Jun 26, 2012
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Toward super-size wind turbines: Bigger wind turbines do make greener electricity
In a study that could solidify the trend toward construction of gigantic windmills, scientists have concluded that the larger the wind turbine, the greener the electricity it produces. Their report appears ...
Jun 20, 2012
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