News tagged with electrical power

Japan inches towards restarting nuclear reactors

Japan on Wednesday inched closer to re-starting idle nuclear reactors, just weeks after the last one was switched off amid public disquiet following the disaster at Fukushima.

Technology / Energy & Green Tech

created 8 hours ago | popularity 5 / 5 (2) | comments 8

Grid realities cancel out some of wind power's carbon savings

(Phys.org) -- Wind energy lowers carbon emissions, but adding turbines to the current grid system does not eliminate emissions proportionally, according to a report by researchers at the Argonne National Laboratory.

Technology / Energy & Green Tech

created 13 hours ago | popularity 2.8 / 5 (4) | comments 4 | with audio podcast

Sci-fi no longer, NREL engineers smart homes

Thanks to TV shows such as The Jetsons and Star Trek, many Americans grew up dreaming that homes of the future would be equipped with fantastic high-tech features. From automatic food dispensers to sliding do ...

Technology / Energy & Green Tech

created May 28, 2012 | popularity 5 / 5 (1) | comments 0

A way to reduce the Internet's energy drain

(Phys.org) -- Swiss researchers at EPFL have developed a device intended for monitoring and saving the energy consumed by large data centers. It was developed in collaboration with Credit Suisse, which has ...

Technology / Energy & Green Tech

created May 28, 2012 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Scotland passes turbine test to harness tidal power

(Phys.org) -- An underwater turbine being used for harnessing tidal power to generate electricity for homes and businesses has successfully completed its testing period in the island of Eday, one of Orkney’s ...

Technology / Energy & Green Tech

created May 20, 2012 | popularity 4.6 / 5 (18) | comments 41 | with audio podcast report

Clean energy becomes a selling point

As somewhat bewildered Apple shoppers in San Francisco, New York and Toronto learned firsthand this month, Greenpeace has a new enemy: dirty data. To attract attention to its report, "How Clean Is My Cloud?" - which draws ...

Technology / Energy & Green Tech

created May 16, 2012 | popularity 3 / 5 (2) | comments 0

EV battery swaps intended for long hauls

Ever driven through a car wash? Going through a Better Place battery-switching station is like that - minus the soap suds, of course.

Technology / Energy & Green Tech

created May 16, 2012 | popularity not rated yet | comments 1

Getting in tune: Researchers solve tuning problem for wireless power transfer systems

Researchers from North Carolina State University have developed a new way to fine-tune wireless power transfer (WPT) receivers, making the systems more efficient and functional. WPT systems hold promise for charging electric ...

Technology / Engineering

created May 15, 2012 | popularity 4.7 / 5 (6) | comments 1 | with audio podcast

Power storage buffers fluctuating solar power

Siemens has developed an energy-storage system that can act as a buffer in electrical power grids. The aim is to provide a buffer against short-term fluctuations in output from renewable energy sources. Such ...

Technology / Energy & Green Tech

created May 11, 2012 | popularity not rated yet | comments 0

The quick and easy way to measure power consumption

The ambitious goals set by the German government to promote energy efficiency have put pressure on companies to change their energy-use policies. But the sustainable management of energy resources and the associated energy-saving ...

Technology / Engineering

created May 10, 2012 | popularity not rated yet | comments 0

Researchers develop technique to keep cool high-power semiconductor devices used in wireless applications, electric cars

A group of researchers at the University of California, Riverside Bourns College of Engineering have developed a technique to keep cool a semiconductor material used in everything from traffic lights to electric cars.

Nanotechnology / Nanophysics

created May 08, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Japan to go nuclear-free for first time since 1970

Japan is set to go without nuclear energy for the first time since 1970 from Saturday, when the last operating reactor shuts down for maintenance, heightening fears of a looming power crunch this summer.

Technology / Energy & Green Tech

created May 04, 2012 | popularity 4 / 5 (1) | comments 1

A power hungry generation

Few generations have been as dependent on electricity as Gen Y, however new research has found the energy conservation message might not be getting through.

Technology / Energy & Green Tech

created May 04, 2012 | popularity 4.4 / 5 (10) | comments 19 | with audio podcast

Folding light: Wrinkles and twists boost power from solar panels

Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.

Physics / Optics & Photonics

created Apr 27, 2012 | popularity 4.9 / 5 (15) | comments 8 | with audio podcast

IBM research boosts long-range, air-powered electric battery project

(Phys.org) -- IBM announced that two industry leaders -- Asahi Kasei and Central Glass -- will join its Battery 500 Project team and collaborate on far-reaching research with the potential to accelerate the ...

Technology / Energy & Green Tech

created Apr 20, 2012 | popularity 4.9 / 5 (20) | comments 35 | with audio podcast