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RESEARCH & TECHNOLOGY NEWS
Atoms Fooled by Fake Field GAITHERSBURG, Md., Dec. 2, 2009 -- For the first time, physicists have used laser light to create "synthetic magnetism," an exotic condition in which neutral atoms suddenly begin to behave as if they were charged particles interacting with a magnetic field – even though no such field is present and the atoms have no charge. "The creation of synthetic magnetic fields for ultracold neutral atoms enables previously impossible experiments in these most quintessential of quantum mechanical systems," said research group leader Ian...
QCL Output Power Boosted EVANSTON, Ill., Dec. 2, 2009 -- An output power of 120 W was delivered by a single mid-infrared quantum cascade laser operating at room temperature, a breakthrough seen as important for future defense applications and nearly four times the output power recorded a year ago from a...
Laser Avenger Destroys IEDs HUNTSVILLE, Ala., Dec. 1, 2009 – A laser system mounted on an Avenger combat vehicle destroyed 50 improvised explosive devices (IEDs) similar to those used in war zones during tests in September by the Boeing Co. and the US Army.
Nanotowers Fire Off Photons WÜRZBURG, Germany, Dec. 1, 2009 – Nanotowers made of semiconducting material 'fire off' single photons in a targeted fashion, an ability needed for secure data transmission through quantum cryptography, said researchers at the University of Würzburg.
LHC Smashes Speed Record GENEVA, Nov. 30, 2009 – CERN’s Large Hadron Collider (LHC) outside Geneva became the world’s highest-energy particle accelerator by accelerating its twin beams of protons to an energy of 1.18 TeV, breaking the previous record of 0.98 TeV held by Fermi Lab’s Tevatron...
Multibeam Lasers Emit in IR CAMBRIDGE, Mass., Nov. 30, 2009 – An international team of applied scientists demonstrated compact, multibeam and multiwavelength lasers emitting in the infrared. Typically, lasers emit a single light beam of a well-defined wavelength; with their multibeam abilities, the new lasers...
Nanowire Transistors Realized WEST LAFAYETTE, Ind., Nov. 30, 2009 – A new generation of ultrasmall transistors and more powerful computer chips using semiconducting nanowires are closer to reality after researchers at IBM, Purdue and UCLA learned how to make them with layers of materials that are sharply defined at...
Telling Tom Turkey from Tina DRESDEN, Germany, Nov. 25, 2009 – A novel approach to classifying the gender of 6-week-old turkey poults could save millions of male chicks from being killed shortly after birth, according to Dr. Gerald Steiner and his team from the Dresden University of Technology. Their use of...
Virtual Brain Surgery BALTIMORE, Nov. 24, 2009 – Jin U. Kang, an electrical engineer at Johns Hopkins University, has spent years tinkering with lasers and optical fiber – studying what happens when light strikes matter. Now, he has built a tool to help brain surgeons locate and get a clear look...
LHC: The Beams are Back GENEVA, Nov. 23, 2009 – Particle beams are once again circulating in the Large Hadron Collider (LHC), 14 months after an electrical failure caused serious damage to the world’s most powerful particle accelerator, which straddles the borders of France and Switzerland and is...
Photoswitch Paralyzes Animals WASHINGTON, D.C., Nov. 23, 2009 – An internal on-off “switch” that paralyzes animals when exposed to a beam of ultraviolet light has been developed by a team of scientists in Canada. The animals stay paralyzed even when the light is turned off. When exposed to ordinary light, the...
Opportunity in the Indian RE sector Nov 20, 2009 — Now then, let's look at one other opportunity story in the Indian renewable energy (RE) sector. This time, it is Sunil Jain, COO of Greeninfra Ltd., who said that the total RE capacity was only 9 percent of the total Indian capacity. The race to...
QDs Improve Medical Imaging GAITHERSBURG, Md., Nov. 19, 2009 – Changes in a living cell that take place over a long period of time are difficult to scrutinize and require high-spatial-resolution imaging. But new research now makes it possible to analyze activities that occur over hours or even days inside...
Light Moves Nanostructures ITHACA, N.Y., Nov. 18, 2009 – With a bit of leverage, Cornell researchers have used a very tiny beam of light with as little as 1 mW of power to move a silicon structure up to 12 nm. That’s enough to completely switch the optical properties of the structure from opaque to...
Complex Solar Surface Imaged KATLENBURG-LINDAU, Germany, Nov. 17, 2009 – The most detailed images to date of the sun's grainy-looking surface were produced by the Sunrise balloon-borne telescope, a collaboration between the Max Planck Institute for Solar System Research (MPS) in Katlenburg-Lindau, Germany, and partners...
Mess-Free Graphene Growth ITHACA, N.Y., Nov. 16, 2009 – A research team at Cornell University invented a simple, less expensive way to make graphene electrical devices by growing graphene -- one-atom-thick layers of carbon -- directly onto a silicon wafer.
Virtual Cloaking Unveiled WASHINGTON, Nov. 16, 2009 – Researchers at Germany’s Karlsruhe Institute of Technology created a virtual visualization tool that shows what a partially or completely cloaked object would really look like. Even as an invisibility cloak hides an object, the cloak itself is...
Light Squeezed Even Tighter ADELAIDE, Australia, Nov. 13, 2009 – Scientists at the University of Adelaide proved that light can be squeezed into much tighter spaces than previously thought, thanks to new breakthroughs in the theoretical understanding of how light behaves at the nanoscale.
Laser Charts Green Protein BERKELEY, Calif., Nov. 12, 2009 – Chemists at the University of California, Berkeley, discovered the secret to the structural changes that green fluorescent proteins (GFPs), used in biological studies, undergoe when they fluoresce.
Capsules Mock Photosynthesis WURZBURG, Germany, Nov. 11, 2009 – German chemists report progress toward achieving artificial photosynthesis by packing thousands of similar molecules together to create a tiny capsule, then using a different kind of molecule as a light absorbing and emitting “filling.”
Finding Life in Martian Ice PASADENA, Calif., Nov. 11, 2009 – Doctors with the Kinohi Institute and the University of Innsbruck in Austria devised an imaging technique to detect bacteria in frozen Antarctic lakes, with the ultimate goal of using the technology to identify microbial life in the extreme...
Senate Confirms 14th NIST Director Nov 9, 2009 — The US Senate recently confirmed Dr. Patrick D. Gallagher as the 14th director of the Commerce Department’s National Institute of Standards and Technology (NIST) by unanimous consent. Gallagher has worked at NIST since 1993 as a scientist and...
Show Plans Laser Tribute SAN FRANCISCO, Nov. 6, 2009 – Special events celebrating the 50th anniversary of the invention of the laser, including a “Cirque du Lasaire” reception, will mark SPIE Photonics West’s first year in San Francisco. The primary photonics technical symposium and exhibition in North...
3-D PV Cell Folds, Travels ATLANTA, Nov. 5, 2009 – A new technology for growing nanostructures on optical fibers can be used to make 3-D photovoltaic systems foldable and portable, no longer confined to traditional locations such as rooftops.
Atom Imaged in Ultracold Gas CAMBRIDGE, Mass., Nov. 5, 2009 – A high-resolution microscope was developed to image individual atoms in an ultracold quantum gas, marking the first time scientists detected single atoms in a crystalline structure made solely of light called a Bose Hubbard optical lattice.
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