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(9,094 items)
Research & Technology News
Glasses provide information in the blink of an eye
DRESDEN, Germany – In the James Bond film Die Another Day, the titular hero trains for his upcoming mission using virtual reality sunglasses. Researchers at the Fraunhofer Institute for Photonic Microsystems (IPMS) are developing a bona fide interactive display on a pair of glasses that they hope will be worthy of the fictional spy. A user of the Fraunhofer glasses will be able to look at his surroundings and the display at the same time. Technically, this combination of a virtual reality display and the...
Letters to the Editor
Sep 1, 2009 — White Elephant in Space? Many view the International Space Station (“Solar-powered space station,” Photonics Spectra, July, p. 36), as a $150 billion “white elephant” in space that has sucked resources from many other more worthwhile programs –...
Multitasking fibers weave a new story for imaging systems
CAMBRIDGE, Mass. – Imagine walking to work one day and, for no obvious reason, you get a feeling that everyone is looking at you. You ignore the feeling for a while, but it persists, despite the fact that none of the people bustling around nearby are casting a single...
Robo-weasel could sniff out contraband
SHEFFIELD, UK – A sophisticated robot with a suite of laser and fiber optic-based sensors is being developed to detect illicit substances concealed in cargo containers at airports and seaports. The 30-cm-long robot, dubbed the “cargo-screening ferret,” would be...
Laser Limits Shattered
BERKELEY, Calif., Aug. 31, 2009 -- A new type of nanoscale laser can concentrate light into an area one-hundredth the size of the smallest spot that can be produced by a conventional laser -- a space smaller than a single protein molecule. The breakthrough breaks new ground in the...
Molecule’s ’Anatomy’ Imaged
ZURICH, Switzerland, Aug. 31, 2009 -- The chemical structure inside a molecule has been imaged with unprecedented resolution through the use of noncontact atomic force microscopy. Imaging individual atoms within a molecule has been a long-standing goal of surface microscopy. The results...
Plasma Probes Pulp Painlessly
LOS ANGELES, Aug. 31, 2009 – To reduce the process involved in routine root canal procedures, researchers developed a cold-plasma jet that may prevent deposits of bacteria from being left behind once the diseased pulp tissue is removed, while also relieving pain.
Solution Makes Smog Glow
PITTSBURGH, Aug. 31, 2009 – Kazunori Koide and colleagues at the University of Pittsburgh have developed a fluorescent solution that glows bright green in the presence of ozone. Compounds that can detect ozone and other oxidants are already in existence, but what makes this...
UCF, Fraunhofer Team for Lasers
Aug 28, 2009 — University of Central Florida (UCF) President John C. Hitt signed a research agreement this week with the Fraunhofer Institute for Laser Technology (Fraunhofer ILT), an industrial laser and laser applications laboratory located in Aachen, Germany....
‘Up-scale’ NIR Spectrometry
GAITHERSBURG, Md., Aug. 27, 2009 – In what may prove to be a major development for scientists in fields ranging from forensics to quantum communications, NIST researchers developed a new, highly sensitive, low-cost technique for measuring light in the near-infrared range.
Kansas Chemist Wins PV Technology Grant
Aug 25, 2009 — Kansas State University chemistry professor Ryszard Jankowiak has received a $380,000 grant from the National Science Foundation for research that could aid in the development of artificial photovoltaic devices that more efficiently convert solar...
Plastic SCs Go with the Flow
SEATTLE, Aug. 25, 2009 -- A problem with plastic circuits that conduct electricity -- namely that they only allow one type of charge to move through them -- was reported solved by researchers at the University of Washington, who created a process that allows organic...
Solar Conversion Record Set
SYDNEY, Australia, Aug. 25, 2009 – Solar advances include a new solar power record (a 43 percent conversion of sunlight to electricity) by scientists at the University of New South Wales, Australia, and nanoparticle “inks” developed at the University of Texas at Austin that allow...
Border Patrol Goes High Tech
TUCSON, Ariz., Aug. 24, 2009 – The Department of Homeland Security has accelerated plans to build a "virtual fence" on the US-Mexico border that will incorporate steel towers equipped with infrared sensors, remotely operated cameras, communications devices and radar. The system...
Flexible Uses for Micro-LEDs
CHAMPAIGN, Ill., Aug. 21, 2009 – By printing large arrays of ultrathin, ultrasmall inorganic LEDs and interconnecting them using thin-film processing, materials scientists at the University of Illinois combined the advantages of both inorganic and organic LEDs for use in lighting...
Imaging Reveals Hidden Art
WASHINGTON, Aug. 20, 2009 – The use of a new x-ray imaging technique to reveal, for the first time in a century, unprecedented details of a painting hidden beneath another painting by famed American illustrator N.C. Wyeth was reported to the American Chemical Society.
Light Controls Cell Movement
CHAPEL HILL, NC, Aug., 19, 2009 – A new technique developed by Dr. Klaus Hahn and colleagues at the University of North Carolina at Chapel Hill uses light to manipulate the activity of a protein at precise times and places within a living cell, providing a new tool for scientists...
Broadband Exterior Cloaking
SALT LAKE CITY, Aug. 18, 2009 – A new active cloaking method might someday shield submarines from sonar, planes from radar, building from earthquakes and coastal structures from tsunamis, said a group of mathematicians at the University of Utah.
'Spaser' Nanolaser Realized
WEST LAFAYETTE, Ind., Aug. 17, 2009 – By harnessing clouds of electrons called surface plasmons instead of photons, engineers at Purdue University overcame a barrier preventing lasers from being integrated into electronic circuits. Their nanolaser, the "spaser," is the first of its kind...
Camera Flash Forms Conductor
EVANSTON, Ill., Aug. 13, 2009 – The new process invented at Northwestern University's McCormick School of Engineering and Applied Science replaces high-temperature heating or chemical reduction by using a camera flash to instantly convert the low-cost insulator graphite oxide into...
Capping Two-faced Particles
DURHAM, NC, Aug. 13, 2009 – In Roman mythology Janus, known as the god of gates, doorways, and beginnings and endings, was typically depicted as having two faces looking opposite directions. Scientists at Duke University borrowed the Roman god’s name for a unique class of...
Light Controls Living Cells
ORLANDO, Fla., Aug. 12, 2009 – Light energy can gently guide and change the orientation of living cells within lab cultures, researchers at the University of Central Florida have demonstrated. The ability to optically steer cells could be a major step in harnessing the healing...
Yb Tops Cesium in Superclock
GAITHERSBERG, Md., Aug. 12, 2009 – An experimental atomic clock based on ytterbium atoms is about four times more accurate than it was several years ago, giving it a precision comparable to that of the NIST-F1 cesium fountain clock, the nation's civilian time standard. Scientists at...
A cheaper path to nanodiamonds
EVRY, France – They don’t photobleach, they don’t blink, and they are very bright and biologically inert. So why are fluorescent nanodiamonds still not widely used in research? Because they are exceptionally difficult and expensive to produce, making them...
Biting the hand that feeds you
Aug 1, 2009 — When 300 highly esteemed members of the science community write to protest Gov. Arnold Schwarzenegger’s proposed cuts to the University of California budget, their distress resounds throughout all research and technology sectors in the US, including...
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