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Research & Technology News
Human Heart Cells Paced with Light
STANFORD, Calif., Sept. 23, 2011 — The first human heart cells that can be paced with light were created at Stanford University, providing new insight into the vital organ’s function.
Flexible, Implantable LED Detects Cancer
DAEJEON, Republic of Korea, Sept. 21, 2011 — A biocompatible, flexible gallium nitride (GaN) LED that can detect prostate cancer has been developed by professor Keon Jae Lee and his research team at KAIST (formerly the Korea Advanced Institute of Science and Technology). The highly...
Lasers Illuminate Cancer During Surgery
MUNICH, Germany, Sept. 21, 2011 — A new imaging technique is helping to locate even small groups of cancer cells that surgeons might otherwise overlook during surgery. The technique uses laser light to find cancer cells based on their molecular signatures, and there are plans to...
QDs Improve Next-Gen Solar Cells by 6%
TORONTO, Sept. 21, 2011 — A promising technique for improving solar conversion efficiency has been developed using tightly packed quantum dots assembled on the surface of solar cells. Researchers from the University of Toronto (U of T), the King Abdullah University of...
Structure of Smallest Crystals Made Visible
MAINZ, Germany, Sept. 21. 2011 — A new way of making structures visible at the nanoscale level makes it possible to determine with precision the arrangement of atoms and molecules in materials ranging from cement to pharmaceuticals. The procedure, still in its infancy, comes from...
Webb Space Telescope Funded, for Now
WASHINGTON, Sept. 20, 2011 — Two months after a House committee recommended defunding the project altogether, the James Webb Space Telescope was saved by a Senate subcommittee, which is allocating $530 million to the international project in 2012. The 2012 appropriations bill...
Lasers Facilitate Neuron Regeneration
CRETE, Greece, and SHEFFIELD, England, Sept. 20, 2011 — Intricate scaffolds, with features 1000 times smaller than a millimeter, have been created using an ultrafast titanium sapphire laser. These scaffolds can effectively harness the growth of neuronal cells and can be used as delivery vehicles to drop...
New Technique Boosts Speed of THz Imaging
KAWASAKI, Japan, Sept. 20, 2011 — A new twist on terahertz imaging promises to speed inspections by a factor of 25. As a result, this technology has potential applications in airport security, narcotics investigations and electronic devices inspections. An existing measurement...
Ultrasensitive Laser Detects IEDs
EAST LANSING, Mich., Sept. 20, 2011 — A new ultrasensitive laser that detects the vibrational frequencies of unique molecules in improvised explosive devices (IED), or roadside bombs, can spot the devices from a distance of 40 feet or more. The weapons are the deadliest threat to troops...
Hybrid Imager Spots Elusive Cancer
STORRS, Conn., Sept. 16, 2011 — A combination of three previously unrelated imaging tools promises to lead the way to diagnoses of early-stage ovarian cancer in high-risk women through minimally invasive surgery. The new technique may be better than the current standard procedure...
Major Patent Overhaul Becomes Law
WASHINGTON, Sept. 16, 2011 — President Barack Obama today signed the most significant reform of US patent law since 1836 and the first major changes to the system since 1952. On stage with a bipartisan group of legistators, Obama signed the Leahy-Smith America Invents Act into...
Parabolic Mirrors Power Solar Lasers
COLLEGE PARK, Md., Sept. 16, 2011 — By borrowing from modern telescope design, researchers in Uzbekistan said they can boost the efficiency of solar-pumped lasers to 35 percent. Such lasers today typically only achieve 1 to 2 percent efficiency rates, and a boost would also provide a...
UV Laser Zaps Multiple Tissue Areas Simultaneously
WASHINGTON, Sept. 16, 2011 — A single UV laser pulse is being used to zap away biological tissue at multiple points at the same time. This technique could advance the study of developmental biology. Time-lapse microscopy of a fruit fly epithelium in which a single cell is...
FEI, OHSU to create a ‘Living Lab’
PORTLAND, Ore., Sept. 15, 2011 — A collaboration between industry and academia has resulted in the creation of a new laboratory that will provide researchers with several state-of-the-art electron microscopes to advance the understanding and treatment of cancer, AIDS and other...
Lifetime of Excited Atoms Measured
COPENHAGEN, Denmark, Sept. 15, 2011 — The lifetime of an excited magnesium atom has been successfully determined to be half an hour — the longest ever measured in a laboratory. These results will impact the development of ultraprecise atomic clocks. In the experiment, atomic...
Light Synthesizer Divides Visible Wavelengths
MUNICH, Sept. 15, 2011 — In an essential step forward in light technology and ultrafast photonics, a team at the Max Planck Institute of Quantum Optics (MPQ) and Ludwig Maximilians University controlled the field of white light pulses on a timescale shorter than an optical...
‘Squeezed Laser’ Boosts Interferometer Accuracy
HANNOVER, Germany, Sept. 14, 2011 — Gravitational waves, though yet to be observed, were first predicted by Einstein in his theory of relativity. Observing these massive astronomical events, which generate tiny fluctuations and cause the fabric of space-time to expand and contract...
Mass-Producible Microscope Fits on a Mouse's Head
STANFORD, Calif., Sept. 14, 2011 — A newly developed self-contained miniature fluorescence microscope small and robust enough to be carried on the head of a mouse could be used as a portable field instrument or arranged in arrays of multiple microscopes for parallel imaging of...
Silicon Photonics Milestone Reached
GRENOBLE, France, Sept. 13, 2011 — Members of the Helios project in Europe have demonstrated for the first time a 40-Gb/s optical modulator in silicon with a record extinction ratio of 10 dB, accomplishing a key project goal needed to build and optimize the entire supply chain for...
Fluorescing Felines Fight AIDS
ROCHESTER, Minn., Sept. 12, 2011 — In new biomedical research aimed at benefiting both human and feline health, cats have been genetically engineered with rhesus monkey proteins that resist feline immunodeficiency virus, which is similar to the human immunodeficiency virus (HIV), a...
Fat-Melting Laser Could Erase Acne
ANN ARBOR, Mich., Sept. 8, 2011 — A new laser designed to melt fat without burning surrounding tissue shows promise for acne treatment. The laser’s 1708-nm infrared beam takes advantage of a unique wavelength that fat absorbs more efficiently than water can.
Air Force Funds Study of Plasma-Wall Interactions
ATLANTA, Sept. 7, 2011 — The US Air Force Office of Scientific Research (AFOSR) has awarded the Georgia Institute of Technology and the University of Alabama a $2.5 million grant for a five-year plasma-wall research program that could lead to improvements in high-intensity...
Cloaked Tank Masquerades as Car (or Cow)
ÖRNSKÖLDSVIK, Sweden, Sept. 7, 2011 — A new invisibility “cloak” gives Harry Potter a run for his magic by giving a vehicle—even a moving one—the ability to blend into its surroundings or mimic other objects, such as a cow.
Light Screens for Heart Disease in Newborns
DURHAM, N.C., Sept. 7, 2011 — A screening technique helps identify congenital heart disease in newborn babies by using various wavelengths of light to measure blood oxygen levels. Levels that are too low are a warning sign and trigger further investigation, say physicians at...
Designer Light Creates Fun-House Mirror Effect
CAMBRIDGE, Mass., Sept. 2, 2011 — While studying the behavior of light on flat surfaces patterned with metallic nanostructures, researchers at the Harvard School of Engineering and Applied Sciences (SEAS) discovered a bizarre phenomenon that defies the laws of reflection and...
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