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Research & Technology News
Momentive Awarded $4.5M
ALBANY, N.Y., Nov. 3, 2009 – Momentive Performance Materials was awarded $4.5 million by the US Department of Energy to develop crystal growth technology aimed at accelerating low cost mass production of LED-based solid-state lighting.
T Cell Trigger: Sheer Force
BOSTON, Nov. 3, 2009 – An array of techniques including optical tweezers were used to find the "switch" that can swiftly change a T cell – a white blood cell that patrols the bloodstream and organs for signs of disease – from jury to executioner. Revealing this "missing...
Frequency Comb Shows Teeth
GAITHERSBURG, Md., & KONSTANZ, Germany, Nov. 2, 2009 – The first optical frequency comb that actually looks like a comb has been built and demonstrated by scientists in the US and Germany. The "teeth" of the new comb – a tool for precisely measuring different frequencies of visible light – are separated...
Diamonds sparkle in Raman application
SYDNEY, Australia – Researchers from Macquarie University and from the Defence Science and Technology Organisation (DSTO) in Edinburgh have developed a diamond Raman laser with 63.5 percent efficiency, taking diamond into the same conversion league as other Raman laser...
Dimple lens goes beyond the diffraction limit
LOS ANGELES – University of California scientists have created a new type of lens that can focus light down to a sub-100-nm spot. This record-breaking focusing power could open up new areas of research in biological sciences, nonlinear optics and near-field...
Going negative for a fast switch
LOS ALAMOS, N.M. – The days of high-speed, all-optical communication are literally a bit closer. Researchers at Los Alamos National Laboratory and at the University of New Mexico in Albuquerque have demonstrated a nanoscale negative-index metamaterial device that can...
Letters to the Editor
Nov 1, 2009 — The science sex gap I read Gary Boas’ article (“Understanding the ‘sex gap’ in science and math,” September, p. 45) with interest. I have been interested in science since I was a child. While in middle school, I remember my math instructor teaching...
Lighting the way to ultrafast microprocessors
MUNICH, Germany – The first milestone toward lightwave electronics has been achieved, thanks to a collaboration among physicists at Max Planck Institute of Quantum Optics in Garching, FOM Institute AMOLF (Institute for Atomic and Molecular Physics) in Amsterdam, the...
The art of SERS
CHICAGO – Surface-enhanced Raman spectroscopy (SERS) could help identify forged artworks. Researchers are using it to analyze paintings by 19th-century artist Mary Cassatt and the pastels she used to identify whether the materials were natural, synthetic or...
Photon Race Ends in Dead Heat
STANFORD, Calif., Oct. 29, 2009 – Racing across the universe for the last 7.3 billion years, two gamma-ray photons arrived at NASA’s orbiting Fermi Gamma-ray Space Telescope within nine-tenths of a second of one another. The dead-heat finish may stoke the fires of debate among...
PerkinElmer, Corning Partner
Oct 28, 2009 — PerkinElmer and Corning will partner to develop next-generation detection technologies for life sciences research, the businesses announced today. The agreement brings together Corning’s optical label-free detection technology with PerkinElmer’s...
Spintronics Go All-Electric
CINCINNATI, Oct. 28, 2009 – An innovative and novel way to control an electron's spin orientation using purely electrical means has been created for the first time. A multidisciplinary team of University of Cincinnati researchers created the all-electric spin electronics, or...
Nanopillars Demystified
PASADENA, Calif., Oct. 27, 2009 – The physical mechanism by which arrays of nanoscale pillars can be grown on polymer films with very high precision and in potentially limitless patterns, was realized by scientists at the California Institute of Technology.
Litho Process Awarded $900K
Oct 26, 2009 — Cornell scientists who have invented a way of processing organic devices with a patent-pending process called orthogonal lithography have received a $900,000 grant from the National Science Foundation’s Materials World Network program. The funds,...
Shrimp Eyes That Polarize
BRISTOL, UK, Oct. 26, 2009 – Mantis shrimp, found on the Great Barrier Reef in Australia, have the most remarkable and complex vision systems known to science. They can see in 12 colors – humans see in only three – and can distinguish between different forms of polarized light....
Irish Fund Young Researchers
DUBLIN, Ireland, Oct. 23, 2009 – The Irish government awarded €7.9 million (about $11.8 million) to 15 young researchers at seven colleges and institutes in Cork, Dublin and Galway to support their ongoing work in semiconductor optoelectronics, next-generation computer chips and...
Linear Nanowires Kinked
CAMBRIDGE, Mass., Oct. 22, 2009 – Taking nanomaterials to a new level of structural complexity, Harvard University scientists determined how to introduce kinks into arrow-straight nanowires, transforming them into zigzagging 2- and 3-D structures with correspondingly advanced...
Optical Trap Holds Viruses
BARCELONA, Spain, Oct. 22, 2009 – A Spain-Canada research collaboration developed a new method to gently trap, manipulate and study tiny, active objects as minuscule as viruses without inflicting any damage. The team demonstrated that it is possible to use the force of light to hold...
Electrons Lured From Graphene
NEW BRUNSWICK, N.J., Oct. 21, 2009 – Rutgers researchers discovered novel electronic properties in 2-D sheets graphene that could one day be the heart of speedy and powerful electronic devices. The new findings, previously considered possible by physicists but only now being seen in...
Molecules Made Mini Lasers
CAMBRIDGE, Mass., Oct. 21, 2009 -- A new optical microscopy technique squeezes photons out of nonfluorescent molecules to provide 3-D images of living cells and tissues for applications in medical imaging and biological research.
PV Energy Paths Controlled
GAINESVILLE, Fla., Oct. 21, 2009 – University of Florida chemists have pioneered a method to tease out promising molecular structures for capturing energy, a step that could speed the development of more efficient, cheaper solar cells. Kleiman’s work focuses on molecules known as...
Raydiance Sets Milestone
Oct 21, 2009 — Petaluma, Calif.-based laser company Raydiance Corp. announced it has made a major breakthrough in manufacturing a wide variety of bioabsorbable materials with precise, micron-resolution feature sizes and with no heat-affected zones. Raydiance has...
Neuroscience Show a Big Draw
CHICAGO, Oct. 20, 2009 -- Neuroscience 2009, the Society for Neuroscience's 39th annual meeting, provides the world's largest forum for neuroscientists to debut research and network with colleagues from around the world. The meeting provides emerging research news about...
Yale Engineer Wins Fellowship
Oct 20, 2009 — Yale University in New Haven, Conn., announced that Hong Tang, an assistant professor of engineering at its School of Engineering & Applied Science (SEAS), is one of 16 US scientists selected as a 2009 Packard Fellow. Tang’s research in...
Lasers Twist Fly Memories
OXFORD, England, Oct. 19, 2009 -- Light has been used to manipulate the memories of fruit flies, allowing them to learn from mistakes they never made and scientists to pinpoint the nerve cells that regulate such actions. The work could provide valuable information about how memories...
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