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5/24/12
| News
In
quantum physics physical processes in condensed matter and other
many-body systems can often be described with quasiparticles. For the
first time, a team of physicists in Austiri has succeeded in
experimentally realizing a new quasiparticle— a repulsive polaron—in an
ultracold quantum gas.
May 24 | News
NASA
has hired Space Exploration Technologies Corp. to deliver cargo to the
International Space Station, but will eventually add astronauts. And the
space agency is hiring other companies, too. Several
firms—at least eight—think they can make money in space and are close
enough to Musk's company to practically surf in his spaceship's
rocket-fueled wake.
May 24 | News
The
contention of a major but controversial new theory to explain
nanocrystal growth is that nanoparticles can act as “artificial atoms,”
forming molecular-type building blocks that can assemble into complex
structures. The conclusion is based on recent observations of growing
nanorods made by Lawrence Berkeley National Laoratory researchers using
transmission electron microscopy and advanced liquid cell handling
techniques.
May 24 | News
Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including advanced solar cells and quantum computing.
May 24 | News
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. The team reported that the folds resulted in a 47% increase in electricity generation.
May 24 | News
The scientific and technological literature is abuzz with nanotechnology
and its manufacturing and medical applications. But it is in an area
with a
less glitzy aura—plant sciences—where nanotechnology advancements are
contributing dramatically to agriculture. Researchers at Iowa
State University
have now demonstrated the ability to deliver proteins and DNA into plant
cells,
simultaneously.
18 hours ago | News
An
important chemical species, molecular oxygen is linear, has an
anisotropic shape, and spins from two unpaired electrons. However, until
now, we didn’t know how these properties influenced important oxidation
reactions. Researchers in Japan have now reported development of the
world's first molecular oxygen beam that can designate the alignment of
the molecular axis and spin direction.
19 hours ago | News
NLT Technologies, together with its sales and marketing channels in the Americas and Europe, Renesas Electronics America Inc. and Renesas Electronics Europe GmbH, announced the successful development of three mid-size color LCD modules based on projected capacitive touch panel technology.
20 hours ago | News
A seaweed considered a threat to the healthy growth of coral reefs in Hawaii may possess the ability to produce substances that could one day treat human diseases, a new study led by scientists at Scripps Institution of Oceanography at University of California, San Diego has revealed.
20 hours ago | News
According
to recent data released by Google, the search engine giant has logged
more than 2.5 million requests in the last 11 months to remove links
believed to be violating Microsoft’s copyrights. This exceeded the
number of complaints about material produced by entertainment companies
pushing for tougher online piracy laws.
20 hours ago | News
Using
forensic-style chemical analysis, scientists in the U.K. and Germany
have directly linked seismic observations of the deadly 1980 Mount St.
Helens eruption to crystal growth within the magma chamber, the large
underground pool of liquid rock beneath the volcano. Building direct
links between observations at the surface and processes occurring
underground has been an ongoing problem for volcanologists.
20 hours ago | News
University of Michigan researchers have proven that a special surface, free of biological contaminants, allows adult-derived stem cells to thrive and transform into multiple cell types. Their success brings stem cell therapies another step closer.
20 hours ago | News
Scientists
at the Georgia Institute of Technology recently achieved a 17% increase
in boiling efficiency by using an acoustic field to enhance heat
transfer. The acoustic field does this by efficiently removing vapor
bubbles from the heated surface and suppressing the formation of an
insulating vapor film.
20 hours ago | News
Natural
pigments contain colorful molecules known as poryphyrins, which lend
vibrant colors through macrocyclic chemical structure that link several
small rings together in an “aromatic” framework. Sometimes, however,
synthesis causes the aromaticity to disappear. Researchers in Japan now
report a new way to manipulate the peculiar aromatic properties of
macrocycles.
21 hours ago | News
NASA’s
next flagship mission, the James Webb Space Telescope, will carry the
largest primary mirror ever deployed in space. Researchers has borrowed a
page from its segmented mirror design to create a similar example just a
half-inch in diameter. Strangely, the tiny mirror may one day become
the standard for future space telescopes.
21 hours ago | News
There's nothing like a new pair of eyeglasses to bring fine details into sharp relief. For scientists who study the large molecules of life from proteins to DNA, the equivalent of new lenses have come in the form of an advanced method for analyzing data from X-ray crystallography experiments. The findings could lead to new understanding of the molecules that drive processes in biology, medical diagnostics, nanotechnology, and other fields.
