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Nanowire coating for bone implants, stents
University of Arkansas researchers have found a simple, inexpensive way to create a nanowire coating on the surface of biocompatible titanium that can be used to create more effective surfaces for hip replacement, dental reconstruction and vascular stenting.   view more (2007-08-28)

Quantum light beams good for fast technology
Australian and French scientists have made another breakthrough in the technology that will drive next generation computers and teleportation.   view more (2007-08-27)

Photon-transistors for the supercomputers of the future
Scientist from the Niels Bohr Institute at University of Copenhagen and from Harvard University have worked out a new theory which describe how the necessary transistors for the quantum computers of the future may be created. The research has just been published in the scientific journal Nature... view more (2007-08-27)

New light-sensing ability discovered in disease-causing bacteria
The bacteria that cause brucellosis can sense light and use the information to regulate their virulence, according to a study in the August 24 issue of the journal Science.   view more (2007-08-24)

Nasty bacteria need sunlight to do their worst
Certain types of bacteria have sunlight-sensing molecules similar to those found in plants, according to a new study. Surprisingly, at least one species-responsible for causing the flu-like disorder Brucellosis-needs light to maximize its virulence. The work suggests an entirely new model for... view more (2007-08-24)

AKARI's observations of asteroid Itokawa
The space-borne infrared observatory AKARI, observed asteroid Itokawa last month with its Infrared Camera. The data will be used to refine estimates of sizes of potentially hazardous asteroids in the future.   view more (2007-08-24)

Research Suggests New Options in Treating Skin Pigment Problems
Melanocytes are not the only cells responsible for differences in skin coloration. New research from the University of Cincinnati (UC) has shown that some of the most basic cells on the skin's surface influence pigment production and help regulate skin coloration.   view more (2007-08-23)

Researchers at UC-Santa Barbara have built the world's first mode-locked silicon evanescent laser
Researchers at UC Santa Barbara have announced they have built the world's first mode-locked silicon evanescent laser, a significant step toward combining lasers and other key optical components with the existing electronic capabilities in silicon.   view more (2007-08-22)

Researchers generate high-speed pulses of laser light on silicon, speeding data transmission
In the Sept. 3 issue of Optical Society of America's Optics Express, published online today, researchers announce that they have built the world's first "mode-locked silicon evanescent laser."   view more (2007-08-22)

Clemson scientists shed light on molecules in living cells
Clemson University chemists have developed a method to dramatically improve the longevity of fluorescent nanoparticles that may someday help researchers track the motion of a single molecule as it travels through a living cell.   view more (2007-08-21)

Computing breakthrough could elevate security to unprecedented levels
By using pulses of light to dramatically accelerate quantum computers, University of Michigan researchers have made strides in technology that could foil national and personal security threats.   view more (2007-08-17)

FSU chemists using light-activated molecules to kill cancer cells
A key challenge facing doctors as they treat patients suffering from cancer or other diseases resulting from genetic mutations is that the drugs at their disposal often don't discriminate between healthy cells and dangerous ones -- think of the brute-force approach of chemotherapy, for instance.   view more (2007-08-09)

Researchers rely on Newton's interference for new experiment
Most people think of Sir Isaac Newton as the father of gravity. But for Lawrence Livermore National Laboratory physicist Henry Chapman and his colleagues, Newton's "dusty mirror" experiment served as a launching pad for them to keenly watch the X-ray induced explosion of microscopic... view more (2007-08-09)

Nanoparticle technique could lead to improved semiconductors
Devices made from plastic semiconductors, like solar cells and light-emitting diodes (LEDs), could be improved based on information gained using a new nanoparticle technique developed at The University of Texas at Austin.   view more (2007-08-07)

Researchers think pink to produce 'green' solar energy
When it comes to producing earth-friendly solar energy, pink may be the new green, according to Ohio State University researchers. Scientists here have developed new dye-sensitized solar cells, that get their pink color from a mixture of red dye and white metal oxide powder in materials that... view more (2007-07-31)

Researchers Produce Firsts with Bursts of Light
Researchers at the U.S. Department of Energy's Brookhaven National Laboratory have generated extremely short pulses of light that are the strongest of their type ever produced and could prove invaluable in probing the ultra-fast motion of atoms and electrons.   view more (2007-07-25)

Enzyme discovery sheds light on vitamin D
Surprising findings by Queen's researchers have shed new light on how the "sunshine vitamin" D - increasingly used to treat and prevent cancer and other diseases - is broken down by our bodies.   view more (2007-07-25)

Polymer opal films shed new kind of light on nature
Imagine cleaning out your refrigerator and being able to tell at a glance whether perishable food items have spoiled, because the packaging has changed its color, or being able to tell if your dollar bill is counterfeit simply by stretching it to see if it changes hue.   view more (2007-07-24)

On a Wire or in a Fiber, a Wave is a Wave
In an experiment modeled on the classic "Young's double slit experiment" and published in the journal Nature Nanotechnology, researchers have powerfully reinforced the understanding that surface plasmon polaritons (SPPs) propagate and diffract just like any other wave.   view more (2007-07-16)

New lens device will shrink huge light waves to pinpoints
Manipulating light waves, or electromagnetic radiation, has led to many technologies, from cameras to lasers to medical imaging machines that can see inside the human body.   view more (2007-07-13)

New phenomenon in physics discovered on illumination of metal surfaces
Scientific research at the Centre of the Physics of Materials, a mixed venture of the Higher Council for Scientific Research (CSIC) and the University of the Basque Country (UPV/EHU) in Donostia-San Sebastian, has enabled the discovery of a new physical phenomenon that affects the surfaces of... view more (2007-07-12)

Internal Clock, External Light Regulate Plant Growth
Most plants and animals show changes in activity over a 24-hour cycle. Now, for the first time, researchers have shown how a plant combines signals from its internal clock with those from the environment to show a daily rhythm of growth.   view more (2007-07-10)

MU Researchers Make Discovery in Molecular Mechanics of Phototropism
In a paper published in the Journal of Biological Chemistry, scientists at the University of Missouri-Columbia reported molecular-level discoveries about the mechanisms of phototropism, the directional growth of plants toward or away from light.    view more (2007-07-09)

NASA's Swift Sees Double Supernova in Galaxy
In just the past six weeks, two supernovae have flared up in an obscure galaxy in the constellation Hercules. Never before have astronomers observed two of these powerful stellar explosions occurring in the same galaxy so close together in time.   view more (2007-06-27)

Scientists demonstrate high-performing room-temperature nanolaser
Scientists at Yokohama National University in Japan have built a highly efficient room-temperature nanometer-scale laser that produces stable, continuous streams of near-infrared laser light.   view more (2007-06-21)
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