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Solar Energy: Electricity Out Of A Helicopter Turbine
The mountains of Armenia seem to have been created for electric power stations working on solar energy. The scientists at the Radio Physical Research Institute have chosen a ground on Aragats mountain, which is 40 km to the west of Yerevan and situated 1750m above sea level. Southern mountain Sun is a good source of cheap energy. It rises 73... view more... (2001-08-24)
Solutions to abrasion and erosion in wind generator vanes
Wind generator vanes can suffer degradation by erosion, particularly at their outer edge, produced by particles (dust, sand, etc.) which are present suspended in the air. view more (2005-09-13)
Major grant drives forward cost efficient solar power
Whether the search for alternative energy sources is driven by our concern about global fossil fuel supplies or over the atmospheric effects of burning of fossil fuels, the government has laid out its aim to cut carbon dioxide emissions by 60% of 1990 levels by 2050, and aims to over- achieve its goal of sourcing 10% of energy from renewables by... view more... (2004-09-14)
British opposition to wind farms
IT IS a classic demonstration of how not to do "joined-up government". Britain`s Ministry of Defence (MoD) is blocking five of the country`s 18 proposed offshore wind farms, claiming that they will interfere with military aviation radar. The MoD`s objections will almost certainly prevent the... view more... (2002-04-24)
Playing a high resistance wind instrument may reduce risk for sleep apnea in musicians
The naturalistic respiratory muscle training with high resistance wind instruments may potentially reduce musicians' risk for obstructive sleep apnea (OSA). view more (2009-06-09)
Laser pulses show how birds fly
We all know that birds can fly. But no one has ever been able to explain how they can produce enough lift to neutralize their body weight. Researchers at Lund University in Sweden have now discovered where the missing modicum of momentum is to be found. Using laser technology they have studied a nightingale in flight in a wind tunnel. In the 1980s... view more... (2003-10-03)
NASA spacecraft make new discoveries about Northern Lights
A fleet of NASA spacecraft, launched less than eight months ago, has made three important discoveries about spectacular eruptions of Northern Lights called "substorms" and the source of their power. view more (2007-12-12)
International Dawn Chorus Day - Sunday 2nd May 2004
As nature lovers all over the world wake up to enjoy the enthusiastic sounds of birdsongs on International Dawn Chorus Day on 2 May, scientists at British Antarctic Survey's (BAS) Halley Research Station will listen to a very different Dawn Chorus. Each morning, as the Earth and its enveloping atmosphere turn towards the Sun, very low frequency... view more... (2004-04-29)
Nuclear weapons: Predicting the unthinkable
If a nuclear weapon were detonated in a metropolitan area, how large would the affected area be? Where should first responders first go? According to physicist Fernando Grinstein, we have some initial understanding to address these questions, but fundamental issues remain unresolved. view more (2009-11-23)
Generating electricity from air flow
A group of researchers at the City College of New York is developing a new way to generate power for planes and automobiles based on materials known as piezoelectrics, which convert the kinetic energy of motion into electricity. view more (2009-11-23)
Wind, water and sun beat biofuels, nuclear and coal for clean energy, Stanford researcher says
The best ways to improve energy security, mitigate global warming and reduce the number of deaths caused by air pollution are blowing in the wind and rippling in the water, not growing on prairies or glowing inside nuclear power plants, says Mark Z. Jacobson, a professor of civil and environmental engineering at Stanford. view more (2008-12-11)
Let water power your mobile phone: scientists discover new source of electricity
A new way of generating electricity from flowing water could mean that in the future you will never have to charge up your mobile phone again. Instead of a normal battery, mobile phones could be fitted with a battery that uses water - you just need to pressurise it regularly. This is the first new way of generating electricity discovered in over... view more... (2003-10-13)
Hurricanes and climate change: A sharper view
n a study published in the July 2008 issue of Geophysical Research Letters, Drs. David S. Nolan and Eric D. Rappin from the University of Miami's Rosenstiel School of Marine and Atmospheric Science describe a new method for evaluating the frequency of hurricane formation in present and future tropical climates. view more (2008-08-13)
How strong is a hurricane? Just listen
Knowing how powerful a hurricane is, before it hits land, can help to save lives or to avoid the enormous costs of an unnecessary evacuation. Some MIT researchers think there may be a better, cheaper way of getting that crucial information. view more (2008-04-11)
NJIT expert advises on the do and don't of building in hurricane-prone areas
Better building practices for structures in hurricane-prone regions will be the focus of a paper next month in Caribbean Construction Magazine by NJIT architecture professor Rima Taher, PhD. view more (2009-06-16)
Turning wind turbines into rain-making machines
MAKING rain sounds outlandish, and maybe it is. But audacious ideas are nothing new to Stephen Salter. If the wave-power pioneer thinks he can solve the world`s worsening water shortage by turning wind turbines into rain-making machines, there are plenty of people who`ll listen to him. Salter, an... view more... (2002-05-23)
Remarkable new clothing may someday power your iPod
Nanotechnology researchers at the Georgia Institute of Technology are developing a shirt that harvests energy from the wearer's physical motion and converts it into electricity for powering small electronic devices worn by soldiers in the field, hikers and other users. view more (2008-02-14)
Vamco's Gusty Remnants Cause High Wind Warnings in Alaska's Aleutian Islands
The remnants from Typhoon Vamco are sweeping over Alaska's Aleutian Island chain today and tomorrow, and high wind warnings have been posted by the National Weather Service.
view more (2009-08-27)
Trevor Baylis OBE To Launch Worldwide Innovation Competition
The Altran Foundation for Innovation has announced that Trevor Baylis OBE is to launch the worldwide Altran Innovation competition that will win its inventor EUR1million of consulting to help bring the invention to life. The competition, to be officially launched 8 November 2001, has the theme 'Technological Innovations for Developing Countries',... view more... (2001-10-29)
New technology may help Olympic sailing
A team of researchers at the Ocean University of China has developed and tested a mobile lidar (light detection and ranging) station that can accurately measure wind speed and direction over large areas in real time -- an application useful for aviation safety, weather forecasting and sports. view more (2008-07-01)
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