Jumat, 17 Februari 2012

ScienceDaily: Energy Technology News

ScienceDaily: Energy Technology News


Low-carbon technologies 'no quick-fix': May not lessen global warming until late this century

Posted: 16 Feb 2012 06:48 AM PST

A drastic switch to low carbon-emitting technologies, such as wind and hydroelectric power, may not yield a reduction in global warming until the latter part of this century, new research suggests. Furthermore, it states that technologies that offer only modest reductions in greenhouse gases, such as the use of natural gas and perhaps carbon capture and storage, cannot substantially reduce climate risk in the next 100 years.

ScienceDaily: Wind Energy News

ScienceDaily: Wind Energy News


Low-carbon technologies 'no quick-fix': May not lessen global warming until late this century

Posted: 16 Feb 2012 06:48 AM PST

A drastic switch to low carbon-emitting technologies, such as wind and hydroelectric power, may not yield a reduction in global warming until the latter part of this century, new research suggests. Furthermore, it states that technologies that offer only modest reductions in greenhouse gases, such as the use of natural gas and perhaps carbon capture and storage, cannot substantially reduce climate risk in the next 100 years.

Kamis, 16 Februari 2012

The Boy Who Played With Fusion

The Boy Who Played With Fusion View this email online
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SCIENCE
The Boy Who Played With Fusion
Taylor Wilson always dreamed of creating a star. Now he's become one
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February 2012's Hottest Gadgets
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Images of the Week, February 6-10, 2012
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Gallery: Engineering the Ultimate Toy
Some of the most brilliant and successful toy creators ever talk about their ultimate toy--setting aside money, safety, and the very laws of physics

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Video: PopSci's Ultimate Robot Dance-Off
So they think they can dance? Three robots bust a move to try to win your vote, and be crowned Best Robotic Dancer
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The Goods: February 2012's Hottest Gadgets
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The Future of Fun
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ScienceDaily: Energy Technology News

ScienceDaily: Energy Technology News


New 'soft' motor made from artificial muscles

Posted: 15 Feb 2012 12:53 PM PST

The electrostatic motor, used more than 200 years ago by Benjamin Franklin to rotisserie a turkey, is making a comeback in a promising new design for motors that is light, soft, and operates without external electronic controllers.

Dust from industrial-scale processing of nanomaterials carries high explosion risk

Posted: 15 Feb 2012 11:31 AM PST

With expanded production of nanomaterials fast approaching, scientists are reporting indications that dust generated during processing may explode more easily than dust from other common dust explosion hazards. Their article indicates that nanomaterial dust could explode from a spark with only 1/30th the energy needed to ignite sugar dust — cause of the 2008 Portwentworth, Georgia, explosion that killed 13 people, injured 42 people and destroyed a factory.

Plasmas torn apart: Discovery hints at origin of phenomena like solar flares

Posted: 15 Feb 2012 11:29 AM PST

Using high-speed cameras to look at jets of plasma in the lab, researchers have made a discovery that may be important in understanding phenomena like solar flares and in developing nuclear fusion as a future energy source.

Rabu, 15 Februari 2012

ScienceDaily: Energy Technology News

ScienceDaily: Energy Technology News


New nano-material combinations produce leap in infrared technology

Posted: 14 Feb 2012 11:53 AM PST

Researchers are using new combinations of nano-materials to produce advances in infrared photodetection technology.

Selasa, 14 Februari 2012

ScienceDaily: Energy Technology News

ScienceDaily: Energy Technology News


Engineers create tandem polymer solar cells that set record for energy-conversion

Posted: 13 Feb 2012 10:37 AM PST

Researchers in California report that they have significantly enhanced polymer solar cells' performance by building a device with a new "tandem" structure that combines multiple cells with different absorption bands. The device had a certified power-conversion efficiency of 8.62 percent and set a world record in July 2011. After the researchers incorporated a new infrared-absorbing polymer material into the device, the device's architecture proved to be widely applicable and the power-conversion efficiency jumped to 10.6 percent -- a new record -- as certified by the U.S. Department of Energy's National Renewable Energy Laboratory.

Minggu, 12 Februari 2012

ScienceDaily: Energy Technology News

ScienceDaily: Energy Technology News


New integrated building model may improve fish farming operations

Posted: 09 Feb 2012 02:29 PM PST

Those who have ventured to turn a vacant barn or garage into an aquaculture business have too often been defeated by high energy and feed costs, building-related woes and serious environmental problems. Now researchers are melding building design, fish ecology and aquaculture engineering techniques into a first-of-its-kind "building-integrated aquaculture" (BIAq) model to offer an affordable, more holistic and sustainable approach to indoor fish production located close to markets and able to succeed even in cold climates.