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Using invisibility to increase visibility
Research into the development of invisibility devices has spurred two physicists' thought on the behaviour of light to overcome the seemingly intractable problem of optical singularities which could soon lead to the manufacturing of a perfect cat's eye.   view more (2008-12-01)

Bright idea illuminates LED standards
The lack of common measurement methods among light-emitting diode (LED) and lighting manufacturers has affected the commercialization of solid-state lighting products.   view more (2008-11-26)

Boosting the power of solar cells
New ways of squeezing out greater efficiency from solar photovoltaic cells are emerging from computer simulations and lab tests conducted by a team of physicists and engineers at MIT.   view more (2008-11-25)

Light pollution offers new global measure of coral reef health
We've all seen the satellite images of Earth at night--the bright blobs and shining webs that tell the story of humanity's endless sprawl.   view more (2008-11-25)

Mars Express observes aurorae on the Red Planet
Scientists using ESA's Mars Express have produced the first crude map of aurorae on Mars. These displays of ultraviolet light appear to be located close to the residual magnetic fields generated by Mars's crustal rocks.   view more (2008-11-24)

Astronomers catch binary star explosion inside nebula
The explosion of a binary star inside a planetary nebula has been captured by a team led by UCL (University College London) researchers - an event that has not been witnessed for more than 100 years.   view more (2008-11-20)

Precise measurement of phenomenon advances solar cell understanding
Researchers at Washington University in St. Louis have shed light on a basic process that could improve future solar cells.    view more (2008-11-19)

STFC Daresbury Laboratory's ALICE accelerates to 4 million volt milestone
A major milestone has been achieved in the completion of the UK's next-generation particle accelerator, ALICE, which is set to produce an intense beam of light that will revolutionise the way in which accelerator based light source research facilities will be designed in the future.   view more (2008-11-18)

Improved spectrometer based on nonlinear optics
Scientists at Stanford University and Japan's National Institute of Informatics have created a new highly sensitive infrared spectrometer.   view more (2008-11-13)

APEX reveals glowing stellar nurseries
Illustrating the power of submillimetre-wavelength astronomy, an APEX image reveals how an expanding bubble of ionised gas about ten light-years across is causing the surrounding material to collapse into dense clumps that are the birthplaces of new stars. Submillimetre light is the key to... view more (2008-11-12)

Luminescence shines new light on proteins
A chance discovery by a team of scientists using optical probes means that changes in cells in the human body could now be seen in a completely different light.   view more (2008-11-12)

Gold nanostar shape of the future
Rods, cones, cubes and spheres - move aside. Tiny gold stars, smaller than a billionth of a meter, may hold the promise for new approaches to medical diagnoses or testing for environmental contaminants.   view more (2008-11-07)

Solar Power Game-Changer: "Near Perfect" Absorption of Sunlight, From All Angles
Researchers at Rensselaer Polytechnic Institute have discovered and demonstrated a new method for overcoming two major hurdles facing solar energy.   view more (2008-11-04)

Seasonal Affective Disorder May Be Linked to Genetic Mutation, Study Suggests
With the days shortening toward winter, many people will begin to experience the winter blahs. For some, the effect can be devastating.   view more (2008-11-04)

Polarized light guides cholera-carrying midges that contaminate water supplies
Cholera is a major killer and since the first pandemic in the early 19th century it has claimed millions of lives. According to Amit Lerner from The Hebrew University of Jerusalem, Israel, the lethal infection is harboured by an equally infamous insect: chironomids (midges).   view more (2008-10-31)

Nanoscale dimensioning is fast, cheap with new NIST optical technique
A novel technique under development at the National Institute of Standards and Technology (NIST) uses a relatively inexpensive optical microscope to quickly and cheaply analyze nanoscale dimensions with nanoscale measurement sensitivity.   view more (2008-10-30)

Stress affects older adults more than young adults
Life can be stressful, whether you're an individual watching the stock market crash or a commuter stuck in traffic. A new study, forthcoming in the journal Psychological Science, examines how stress affects decision-making and finds that older adults alter their behavior more than young adults when... view more (2008-10-28)

Silicon optical fiber made practical
Scientists at Clemson University for the first time have been able to make a practical optical fiber with a silicon core, according to a new paper published in the current issue of the Optical Society's open-access journal, Optics Express.   view more (2008-10-28)

Denser computer chips possible with plasmonic lenses that 'fly'
Engineers at the University of California, Berkeley, are reporting a new way of creating computer chips that could revitalize optical lithography, a patterning technique that dominates modern integrated circuits manufacturing.   view more (2008-10-23)

McMaster University unveils world's most advanced microscope
The most advanced and powerful electron microscope on the planet-capable of unprecedented resolution-has been installed in the new Canadian Centre for Electron Microscopy at McMaster University.   view more (2008-10-21)

Engineering Nanoparticles for Maximum Strength
Because they are riddled with defects, bulk crystalline materials never achieve their ideal strength; nanocrystals, on the other hand, are so small there's no room for defects.   view more (2008-10-21)

New research field promises radical advances in optical technologies
A new research field called transformation optics may usher in a host of radical advances including a cloak of invisibility and ultra-powerful microscopes and computers by harnessing nanotechnology and "metamaterials."   view more (2008-10-17)

Gold nanostars outshine the competition
Novel nanoparticles being tested at the National Institute of Standards and Technology (NIST) have researchers seeing stars. In a recent paper, NIST scientists used surface-enhanced Raman spectroscopy (SERS) to demonstrate that gold nanostars exhibit optical qualities that make them superior for... view more (2008-10-16)

Sunlight exposure plus low antioxidant levels may place older adults at risk for eye disease
A European study suggests that the combination of low plasma levels of antioxidants and blue light exposure from the sun is associated with certain forms of the eye disease age-related macular degeneration (AMD), according to a report in the October issue of Archives of Ophthalmology, one of the... view more (2008-10-14)

Duke team explains a longtime visual puzzler in new way
A team of neuroscientists at Duke University Medical Center has suggested an entirely new way to explain a puzzling visual phenomenon called the flash-lag effect.   view more (2008-10-14)
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