News tagged with electrical power

Flexible trailing edge flap for blades to make wind power cheaper

A flexible, controllable trailing edge for wind turbine blades has shown that it can reduce the loads on the turbine and in the end provide cheaper electricity from wind power.

Technology / Engineering

created Apr 07, 2011 | popularity 4.5 / 5 (2) | comments 0

Japan nuclear scare boosts renewables lobby

A global scare sparked by Japan's stumbling efforts to contain a nuclear crisis is encouraging promoters of renewable energy, but defenders of atomic power insist it has a long-term future.

Technology / Energy & Green Tech

created Apr 06, 2011 | popularity not rated yet | comments 2

Wind power in Spain reaches historic high

Wind power became Spain's main source of electricity for the first time ever this month, in a country renowned for its focus on renewable energy, the power-generating authority REE said Thursday.

Technology / Energy & Green Tech

created Mar 31, 2011 | popularity 5 / 5 (4) | comments 3

Mobile with electricity

Electric cars are cleaner, quieter and more efficient than gasoline- or diesel-powered vehicles. Even so, they have not yet caught on. Now, however, a new era is beginning: the era of electric mobility. Experts from Fraunhofer ...

Technology / Engineering

created Mar 31, 2011 | popularity not rated yet | comments 0

India signs on to floating solar energy power plant (w/ video)

(PhysOrg.com) -- In a country where nearly 40 percent of households have no electricity, any new advancement that will help bring power to the world’s second most populous nation, must be met with celebration ...

Technology / Energy & Green Tech

created Mar 30, 2011 | popularity 4.3 / 5 (14) | comments 11 | with audio podcast report

Nuclear will survive, because it has to: ANU professor

Japan relies on nuclear power for about 30% of its electricity. It has few natural resources and imports large quantities of coal, gas and oil at an ever increasing cost. Some Japanese people are not in favor ...

Technology / Energy & Green Tech

created Mar 29, 2011 | popularity 3 / 5 (4) | comments 24

Optimum use of wave energy using oscillating water column system

Engineers Modesto Amundarain and Mikel Alberdi have presented the first two PhD theses at the University of the Basque Country (UPV/EHU, Spain) on the use of oscillating water column (OWC) converters for extracting renewable ...

Technology / Engineering

created Mar 29, 2011 | popularity 2.3 / 5 (3) | comments 2

Memory device holds key to green gadgets

Fast, low-energy memory for MP3s, smartphones and cameras could become a reality thanks to University of Edinburgh scientists.

Nanotechnology / Nanophysics

created Mar 28, 2011 | popularity 3.7 / 5 (3) | comments 4 | with audio podcast

Wind and solar can reliably supply 25 percent of Oahu's electricity need, new study shows

When combined with on-Oahu wind farms and solar energy, the Interisland Wind project planned to bring 400 megawatts (MW) of wind power from Molokai and Lanai to Oahu could reliably supply more than 25% of ...

Technology / Energy & Green Tech

created Mar 17, 2011 | popularity 5 / 5 (1) | comments 10 | with audio podcast

Physicists demonstrate conditions for laser-driven fusion

(PhysOrg.com) -- Currently, commercial nuclear power plants generate electricity using nuclear fission, in which an atom’s nucleus is split into lighter nuclei. But scientists are also researching the ...

Physics / General Physics

created Mar 15, 2011 | popularity 4.3 / 5 (27) | comments 26 | with audio podcast report

Solar power installs almost doubled in 2010

(PhysOrg.com) -- The report for 2010 was released by the Solar Energy Industries Association on the solar markets and installations of the United States, and it revealed that solar power is a growing market.

Technology / Energy & Green Tech

created Mar 11, 2011 | popularity 4.3 / 5 (6) | comments 10 | with audio podcast weblog

Fujitsu achieves 40-Gbps optical-fiber transmission using directly-modulated laser

Fujitsu today announced the achievement of a 40 gigabits per second (40-Gbps) optical-fiber transmission employing an uncooled directly-modulated laser. This was realized through the combination of a structure ...

Physics / General Physics

created Mar 10, 2011 | popularity 5 / 5 (5) | comments 1

The birth of electrical engineering

In September 1882, Thomas Edison opened the first commercial power plant in the United States, serving 59 customers in a square mile of Lower Manhattan. That same fall, MIT made electrical history of its own, ...

Technology / Engineering

created Mar 09, 2011 | popularity 5 / 5 (1) | comments 0

Chips, efficient and fast: Professor explores low-power circuits

When in graduate school at Stanford University in the 1990s, Gu-Yeon Wei shared a trailer office near a little kitchen where two other students worked. When they were on the network, he said, everyone’s ...

Technology / Engineering

created Mar 04, 2011 | popularity 3 / 5 (6) | comments 1

Google-backed startup zaps electricity waste

A Google-backed startup on Wednesday came out of "stealth mode" with a way to dramatically cut the amount of electricity wasted by data centers, solar panels, hybrid cars and more.

Technology / Energy & Green Tech

created Feb 23, 2011 | popularity 4.9 / 5 (8) | comments 7