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Lasers used to make first boron-nitride nanotube yarn

Lasers used to make first boron-nitride nanotube yarn (w/ Video)

Nanotechnology / Nanomaterials

created 19 hours ago | popularity 4.8 / 5 (11) | comments 3

(PhysOrg.com) -- Researchers have used lasers to create the first practical macroscopic yarns from boron nitride fibers, opening the door for an array of applications, from radiation-shielded spacecraft to ...


China is now the world's top producer of the solar power cells

China solar panel makers see boost from Copenhagen

Technology / Energy

created 8 hours ago | popularity 3 / 5 (2) | comments 2

In Trina Solar's brilliant white factory in eastern China, masked workers in lab coats turn silicon wafers into solar power cells capable of harnessing the sun's clean and limitless energy.


Innovation puts next-generation solar cells on the horizon

Chemistry / Materials Science

created Dec 01, 2009 | popularity 4.5 / 5 (21) | comments 9

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.


A light touch: Iron complexes as efficient catalysts for the light-driven extraction of hydrogen from water

Chemistry / Materials Science

created Dec 02, 2009 | popularity 5 / 5 (3) | comments 3

(PhysOrg.com) -- Hydrogen is a promising alternative energy carrier that can be efficiently converted into electrical energy in fuel cells. One hurdle to the introduction of sustainable hydrogen technology is the fact that ...


Researchers Identify Key Molecules in Photosynthesis

Researchers Identify Key Molecules in Photosynthesis

Chemistry / Biochemistry

created Dec 02, 2009 | popularity 5 / 5 (8) | comments 0

(PhysOrg.com) -- Chemistry professor Harry Frank led an international group of researchers that identified the molecules in algae which direct the organisms to convert sunlight into oxygen. The findings may ...


Golden Oldie: Key Role for Ancient Protein in Algae Photosynthesis

Golden Oldie: Key Role for Ancient Protein in Algae Photosynthesis

Biology / Biotechnology

created Nov 27, 2009 | popularity 3 / 5 (2) | comments 2

The discovery that an ancient light harvesting protein plays a pivotal role in the photosynthesis of green algae should help the effort to develop algae as a biofuels feedstock. Researchers with the Lawrence ...


'Safety valve' protects photosynthesis from too much light

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 4.7 / 5 (3) | comments 0

Photosynthetic organisms need to cope with a wide range of light intensities, which can change over timescales of seconds to minutes. Too much light can damage the photosynthetic machinery and cause cell death. Scientists ...


Water droplets direct self-assembly process in thin-film materials

Nanotechnology / Nanomaterials

created Nov 23, 2009 | popularity 5 / 5 (4) | comments 2

You can think of it as origami - very high-tech origami. Researchers at the University of Illinois have developed a technique for fabricating three-dimensional, single-crystalline silicon structures from thin films by coupling ...


Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells

Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells

Chemistry / Materials Science

created Oct 30, 2009 | popularity 4.5 / 5 (12) | comments 1

(PhysOrg.com) -- Porphyrins are most commonly thought of as the pigment in red blood cells, but now scientists have found that porphyrins can also be used to increase the efficiency of an inexpensive type ...


A system of space solar power system (SSPS)

Japan eyes solar station in space as new energy source

Technology / Energy

created Nov 08, 2009 | popularity 4.8 / 5 (23) | comments 32

It may sound like a sci-fi vision, but Japan's space agency is dead serious: by 2030 it wants to collect solar power in space and zap it down to Earth, using laser beams or microwaves.


Solar LED lamps

Solar Cells with LEDs Provide Inexpensive Lighting

Technology / Energy

created Nov 09, 2009 | popularity 4.4 / 5 (17) | comments 2

(PhysOrg.com) -- Of the 1.5 billion people in developing countries who do not have electricity, many rely on kerosene lamps for light after the sun goes down. But now, researchers from Denmark have designed ...


Success in 'space elevator' competition (AP)

Success in 'space elevator' competition (Update 3)

Space & Earth / Space Exploration

created Nov 05, 2009 | popularity 4.3 / 5 (36) | comments 54

(AP) -- A robot powered by a ground-based laser beam climbed a long cable dangling from a helicopter on Wednesday to qualify for prize money in a $2 million competition to test the potential reality of the ...


Argonne 'homegrown' hybrid solar cell aims for low-cost power

Argonne 'homegrown' hybrid solar cell aims for low-cost power

Nanotechnology / Nanomaterials

created Nov 10, 2009 | popularity 4.3 / 5 (12) | comments 3

(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory have refined a technique to manufacture solar cells by creating tubes of semiconducting material and then "growing" ...


Vibrations key to efficiency of green fluorescent protein

Vibrations key to efficiency of green fluorescent protein

Chemistry / Biochemistry

created Nov 11, 2009 | popularity 4.5 / 5 (6) | comments 1

University of California, Berkeley, chemists have discovered the secret to the success of a jellyfish protein whose green glow has made it the darling of biologists and the subject of the 2008 Nobel Prize ...


Measuring Electron Orbitals

Measuring Electron Orbitals

Physics / General Physics

created Nov 16, 2009 | popularity 5 / 5 (8) | comments 0

(PhysOrg.com) -- For the first time, it has been possible to measure electron density in individual molecular states using what is known as the photoelectric effect. Now published in Science, this method repres ...