Hitachi unveils motor without 'rare earths'
Japanese high-tech firm Hitachi Wednesday unveiled an electric motor that does not use "rare earths", aiming to cut costs and reduce dependence on imports of the scarce minerals from China.
Buoyant Airborne Turbine to harness winds in Alaska
French company uses wind turbine to create fresh water
Want zero carbon emissions? Go nuclear, economics professor says
(Phys.org)—Nuclear power often inspires fear and loathing, no more so than among environmentalists, who have long decried the potential dangers and the still-unsolved problem of what to do with nuclear ...
Breakthrough iron-based superconductors set new performance records
(Phys.org)—The road to a sustainably powered future may be paved with superconductors. When chilled to frigid temperatures hundreds of degrees Celsius below zero, these remarkable materials are singularly ...
New research blows away claims that aging wind farms are a bad investment
Wind turbines can remain productive for up to 25 years, making wind farms an attractive long-term choice for energy investors, according to new research.
Offshore wind farms could tame hurricanes before they reach land, study says
For the past 24 years, Mark Z. Jacobson, a professor of civil and environmental engineering at Stanford, has been developing a complex computer model to study air pollution, energy, weather and climate. A ...
Enough wind to power global energy demand, new research says
There is enough energy available in winds to meet all of the world's demand. Atmospheric turbines that convert steadier and faster high-altitude winds into energy could generate even more power than ground- ...
Walney offshore wind farm is world's biggest (for now)
The secrets of owls' near noiseless wings
Many owl species have developed specialized plumage to effectively eliminate the aerodynamic noise from their wings – allowing them to hunt and capture their prey in silence.
October was 'bumper' month for Scotland's renewables
Wind farms can provide society a surplus of reliable clean energy, study finds
The worldwide demand for solar and wind power continues to skyrocket. Since 2009, global solar photovoltaic installations have increased about 40 percent a year on average, and the installed capacity of wind ...
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 ...
UK wind power share shows record rise
The United Kingdom wind power production has been enjoying an upward trajectory, and on Tuesday wind power achieved a significant energy production milestone, reported Brooks Hays for UPI. High winds from Hurricane Gonzalo were the force behind wind turbines outproducing nuclear power ...