Preventing hydropower turbine failure
The Francis turbine is the most common type of water turbine used in Norwegian hydropower plants, and has been for many years. About half of the world's Francis turbines are found in Norwegian plants.
Social structure 'helps birds avoid a collision course'
The sight of skilful aerial manoeuvring by flocks of Greylag geese to avoid collisions with York's Millennium Bridge intrigued mathematical biologist Dr Jamie Wood. It raised the question of how birds collectively ...
Vortex Bladeless aims for lower-cost wind energy approach
Wind turbines operate under great turbulence, with consequences for grid stability
Best of Last Week – quantum information accurately transfered, better wind turbines and study of porn's impact on brain
Advocacy group: Wind turbine rules needed to protect birds
The sky above a tabletop-flat expanse of eastern Michigan farmland near Lake Huron is a well-traveled pathway for migratory birds journeying between summer nesting areas in Canada's boreal forests and wintering ...
Dutch company launches new-generation urban wind turbines
SheerWind claims its INVELOX wind turbine produces 600% more power
Stanford scientist to unveil 50-state plan to transform US to renewable energy
Stanford Professor Mark Jacobson and his colleagues recently developed detailed plans to transform the energy infrastructure of New York, California and Washington states from fossil fuels to 100 percent renewable resources ...
New method uses patent data to estimate a technology's future rate of improvement
How fast is online learning evolving? Are wind turbines a promising investment? And how long before a cheap hoverboard makes it to market?
Buoyant Airborne Turbine to harness winds in Alaska
Best of Last Week – new look at Schrodinger's cat, a large floating wind turbine and why red wine might help memory
Researchers team up with architects to create bladeless wind electricity generator
Offshore wind turbine construction could be putting seals' hearing at risk
Noise from pile driving during offshore wind turbine construction could be damaging the hearing of harbour seals around the UK, according to ecologists who attached GPS data loggers to 24 harbor seals while offshore wind ...