News tagged with conversation

Turning heat to electricity... efficiently

(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...

Physics / General Physics

created Nov 18, 2009 | popularity 4.8 / 5 (67) | comments 9

New solar energy conversion process could revamp solar power production

Stanford engineers have figured out how to simultaneously use the light and heat of the sun to generate electricity in a way that could make solar power production more than twice as efficient as existing ...

Technology / Energy & Green Tech

created Aug 02, 2010 | popularity 4.7 / 5 (64) | comments 38 | with audio podcast

Novel negative-index metamaterial that responds to visible light designed

A group of scientists led by researchers from the California Institute of Technology has engineered a type of artificial optical material—a metamaterial—with a particular three-dimensional structure such that ...

Physics / Optics & Photonics

created Apr 22, 2010 | popularity 4.8 / 5 (43) | comments 10 | with audio podcast

Sanyo announces world's most efficient solar module

(PhysOrg.com) -- Sanyo has announced its development of the world's most energy efficient solar module, the HIT-N230. The module was unveiled at a press conference run by Sanyo Electric's Solar Division.

Technology / Energy & Green Tech

created Jun 16, 2010 | popularity 4.3 / 5 (35) | comments 27 | with audio podcast report

Removing Hot Air from Nuclear Power Plants; Scientists Convert Nuclear Energy to Power without Steam

(PhysOrg.com) -- For years, researchers have been in search of an economically feasible method of converting nuclear energy directly into electricity. Now, University of Missouri researchers are developing an energy conversion ...

Technology / Engineering

created Apr 13, 2009 | popularity 4.7 / 5 (29) | comments 25

Innovation puts next-generation solar cells on the horizon

In a world first, a Monash University-led international research team has developed an innovative way to boost the output of the next generation of solar cells.

Chemistry / Materials Science

created Dec 01, 2009 | popularity 4.3 / 5 (30) | comments 12

New way to extract light from semiconductors could lead to ultra-high efficiency LEDs

(PhysOrg.com) -- By fabricating ridges coated with silicon dioxide (SiO2) on the surface of a semiconductor, scientists from the National Institute of Advanced Industrial Science and Technology (AIST) in ...

Physics / Condensed Matter

created May 14, 2010 | popularity 4.8 / 5 (25) | comments 8 | with audio podcast report

Study predicts nanoscience will greatly increase efficiency of next-generation solar cells

As the fastest growing energy technology in the world, solar energy continues to account for more and more of the world’s energy supply. Currently, most commercial photovoltaic power comes from bulk semiconductor materials. ...

Nanotechnology / Nanomaterials

created Aug 13, 2010 | popularity 4.5 / 5 (26) | comments 1 | with audio podcast feature

New material provides 25 percent greater thermoelectric conversion efficiency

Automobiles, military vehicles, even large-scale power generating facilities may someday operate far more efficiently thanks to a new alloy developed at the U.S. Department of Energy's Ames Laboratory. A team ...

Chemistry / Materials Science

created Feb 15, 2011 | popularity 4.7 / 5 (25) | comments 27 | with audio podcast

Sharp Develops Solar Cell with World's Highest Conversion Efficiency of 35.8%

Sharp Corporation has achieved the world's highest solar cell conversion efficiency (for non-concentrator solar cells) of 35.8% using a triple-junction compound solar cell.

Technology / Energy & Green Tech

created Oct 22, 2009 | popularity 4.5 / 5 (26) | comments 11

Silicon nanohole solar cells aim to make photovoltaics cost-competitive

(PhysOrg.com) -- Due to the increasing demand for renewable energy sources, photovoltaic solar cells have advanced significantly over the past decade. Since 2002, photovoltaic production worldwide has been ...

Nanotechnology / Nanomaterials

created May 07, 2010 | popularity 4.5 / 5 (26) | comments 13 | with audio podcast feature

Solving the solar cell power conversion dilemma

(PhysOrg.com) -- "There is a lot of interest in creating more efficient solar cells that are also simpler than many of the designs common now," Wladek Walukiewicz tells PhysOrg.com. "We think that, throug ...

Physics / Condensed Matter

created Jan 24, 2011 | popularity 4.6 / 5 (25) | comments 19 | with audio podcast feature

Discovery of a 'dark state' could increase maximum theoretical efficiency of solar cells from 31 to 44 percent

The efficiency of conventional solar cells could be significantly increased, according to new research on the mechanisms of solar energy conversion led by chemist Xiaoyang Zhu at The University of Texas at Austin.

Physics / Condensed Matter

created Dec 15, 2011 | popularity 4.8 / 5 (23) | comments 12 | with audio podcast

Breakthrough in converting heat waste to electricity

(PhysOrg.com) -- Researchers at Northwestern University have placed nanocrystals of rock salt into lead telluride, creating a material that can harness electricity from heat-generating items such as vehicle exhaust systems, ...

Chemistry / Materials Science

created Jan 18, 2011 | popularity 4.7 / 5 (23) | comments 18 | with audio podcast

Solar power goes viral: Modified virus improves solar-cell efficiency by one-third

(PhysOrg.com) -- Researchers at MIT have found a way to make significant improvements to the power-conversion efficiency of solar cells by enlisting the services of tiny viruses to perform detailed assembly ...

Nanotechnology / Nanomaterials

created Apr 25, 2011 | popularity 4.8 / 5 (21) | comments 6 | with audio podcast

Conversation

Conversation is a form of interactive, spontaneous communication between two or more people who are following rules of etiquette.

Conversation analysis is a branch of sociology which studies the structure and organization of human interaction, with a more specific focus on conversational interaction.

For more information about Conversation, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.