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(9,096 items)
Research & Technology News
Information Recorded Using Only Laser-Induced Heat
YORK, England, Feb. 15, 2012 — A novel magnetic recording method allows information to be processed hundreds of times faster than with current hard drive technology.
Laser Research Provides Insight into Planet Formation
LIVERMORE, Calif., Feb. 14, 2012 — Phase changes in liquid magmas at pressures and temperatures that exist deep inside Earth-like planets could provide insight into the processes that govern planet formation.
Lasers Reveal Hidden Earthquake Damage
DAVIS, Calif., Feb. 14, 2012 — New airborne lidar equipment reveals how earthquakes change the landscape down to a few inches, and shows how earthquake faults behave.
Butterfly Wings Inspire Thermal Imagers
NISKAYUNA, N.Y., Feb. 13, 2012 — Mother Nature’s 5-million-year-old butterfly wing design, combined with a relatively new manmade material, enabled the development of a new sensor that is faster, smaller and more sensitive than today’s thermal imaging devices.
Quantum Dots Switch Neurons On, Off
SEATTLE, Feb. 13, 2012 — Light from electrons confined by quantum dots was used to activate and control targeted brain neurons, demonstrating a noninvasive method for studying cell communication and learning how specific cells may contribute to brain disorders.
EIT Extended to X-ray Regime
HAMBURG, Germany, Feb. 10, 2012 — A technique that makes atomic nuclei transparent to light at certain wavelengths was extended to the x-ray regime; it could have important implications in the fields of lasing and quantum information processing.
New Resonator Overcomes Obstacle to Ultimate Nanolaser
SAN DIEGO, Feb. 10, 2012 — Two very low power lasers that produce the smallest continuous-wave, telecommunications frequency demonstrated at room temperature to date may be a step toward the development of the “ultimate” nanolaser.
Hollow Spheres Improve PV Panels
STANFORD, Calif., Feb. 7, 2012 — Hollow spheres of photovoltaic nanocrystalline silicon exploit a peculiar phenomenon to better trap light and could dramatically reduce PV panel costs.
EUV Frequency Comb Debuts
BOULDER, Colo., Feb. 6, 2012 — The first “frequency comb” in the extreme ultraviolet band has the potential to advance nuclear clocks and to measure previously unexplored behavior in atoms and molecules.
$1.8M Grant Funds Adaptive Optics Study for Glaucoma
HOUSTON, Feb. 3, 2012 — A $1.85 million NIH grant will support a study to determine the effectiveness of adaptive optics in capturing the earliest cellular changes signaling the onset of glaucoma, which may lead to earlier diagnosis of the blinding disease.
ASD Awards Creative Spectroscopy Projects
BOULDER, Colo., Feb. 3, 2012 — The seven Alexander Goetz Instrument Support Program award recipients for 2012 received recognition for research ranging from hyperspectral analysis to noninvasive identification of artistic materials.
Between Light and Mechanics, A Quantum Connection
LAUSANNE, Switzerland, Feb. 3, 2012 — In a new microscopic system, light is converted into a mechanical oscillation and then back to light in an interaction so strong that it allows oscillator motion control at the quantum level.
New Atomic X-ray Laser Created
LIVERMORE, Calif., Feb. 3, 2012 — The shortest, purest x-ray laser pulses ever achieved were created by aiming the Linac Coherent Light Source at a capsule of neon gas, setting off an avalanche of x-ray emissions.
Quantum Physics Enables Secure Cloud Computing
VIENNA, Feb. 2, 2012 — By combining quantum computing with quantum cryptography, a perfectly secure cloud computing environment was achieved, addressing one of the many challenges facing the current trend of storing information remotely.
“Egg crate” structure optimizes QD-LED performance
CAMBRIDGE, Mass. – A new quantum-dot (QD) LED “egg crate” design turns formerly troublesome ligand molecules into a critical element of a more versatile quantum-dot LED structure for applications in lighting, lasers and displays. Ligands – organic...
Blocked holes boost light on the nanoscale
PRINCETON, N.J. – Capping a hole should block light transmission through that hole, right? Not on the nanoscale. In fact, placing a metal cap over a small hole in a metal film does not stop light from passing through the hole, but rather enhances its transmission....
Cancer Genes Detected with Liquid Lasers
ANN ARBOR, Mich., Feb. 1, 2012 — Genes linked to cancer and other diseases may now be easier to detect with a new method that uses liquid lasers to distinguish mutated DNA from healthy DNA by a single base. “We found a clever way to amplify the intrinsic difference in the signals,”...
Carbon nanotube “forest” hides 3-D objects
ANN ARBOR, Mich. – A unique property of carbon nanotubes – the low refractive index of low-density aligned nanotubes – also can camouflage 3-D objects, making them look like nothing more than a flat black sheet. The tiny cylinders, composed of...
Detectors collect data for NASA droplet combustion experiments
DEXTER, Mich. – A new and more effective radiometric diagnostic device will enable the International Space Station (ISS) to collect data for droplet combustion experiments, thanks to two small infrared thermopile sensor detectors. Along with the 2.9 tons of...
Laser Hints at Magnetism’s Origins
OXFORD, England, Feb. 1, 2012 — Using a high-power laser to simulate the conditions under which the first galaxies formed, scientists may have uncovered a clue as to how magnetism originated in the universe.
Light from vacuum supports quantum principle
GOTHENBURG, Sweden – The quantum mechanical principle that says a vacuum is not empty space but full of particles that fluctuate in and out of existence, has been observed for the first time as photons were coaxed to leave this virtual state and be captured as...
Light-triggered robotic arm bends, stretches
TOKYO – As the world gets smaller and smaller, microrobots and nanomachines become more important for fabrication, assembly and other tasks. Controlling such tiny machines can be problematic – cable-based controls don’t work at such small scales...
Material glows in NIR for two weeks
ATHENS, Ga. – Move over, cheesy glow-in-the-dark plastic toys that take forever to “charge up” with light and that fade to black in a blink. A new material can emit a near-infrared glow for two weeks after a single minute of exposure to sunlight, or...
Microplasma arrays promise to revolutionize lighting
ARLINGTON, Va. – A new plasma-based lighting system comprising microcavity arrays produces inexpensive, wafer-thin, flexible sheets of light – and its creators say it will revolutionize illumination. Just as in a fluorescent light, a microcavity array is...
Optical resonator builds better UV beam
ANN ARBOR, Mich. – An optimized optical resonator can be a better way to build compact ultraviolet light sources with low power consumption, which could lead to improved data storage and chemical analysis. Researchers at the University of Michigan optimized a...
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