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Conductive Nanofibers Self-Organize Under Light
STRASBOURG, France, April 27, 2012 — New flexible nanofibers that can self-assemble under a flash of light combine the best advantages of two materials currently used to conduct electric current: metals and plastic organic polymers. The nanofibers can be integrated into electronic devices such as flexible screens and solar cells and are easier to fabricate and handle than carbon ones. They also can conduct electricity as well as the best metals, a feature that will enable them to be used in nanoscale electronic components. ...
Liquid Solar Cells Could Be Painted on Surfaces
LOS ANGELES, April 27, 2012 — An inexpensively producible, stable solar cell made from small nanocrystals suspended in a liquid solution can be printed or painted onto clear surfaces. The new technology holds potential for flexible solar panels that can be shaped to fit anywhere.
Material’s Structure Hints at More Efficient Solar Cell
UPTON, N.Y., April 27, 2012 — New details about the structure of one of the most efficient photovoltaic materials could inform the synthesis of new materials with even better properties.
Mock Mars Mission Tests Camera Design
TUCSON, Ariz., April 27, 2012 — The viability of a multiple-camera system designed for future NASA space vehicles was subject of a two-week simulated mission to Mars by five engineering students from the University of Arizona. As part of the Interdisciplinary Engineering Design...
New Candidates Sought for Metamaterial Conductors
AMES, Iowa, April 26, 2012 — A new method that evaluates different conductors for use in metamaterial structures could bring closer to reality super-efficient solar energy devices and superlenses that allow us to use visible light to see molecules like DNA.
Utah Students’ QDs Win Regional Cleantech Challenge
SALT LAKE CITY, April 26, 2012 — Students at the University of Utah recently won $100,000 and first place in the regional CU Cleantech New Venture Challenge for their quantum dot technology.
Coupling Microlasers Leads to ’Blackout’
VIENNA, April 25, 2012 — By coupling two microlasers together, one would expect more light to be emitted than from a single pumped laser alone. But coupling such lasers can, paradoxically, lead to a "blackout" where they shut each other off.
Femtolaser ‘Scalpel’ Spares Surrounding Tissue
AUSTIN, Texas, April 25, 2012 — A small, flexible endoscopic medical device fitted with a femtosecond laser “scalpel” can remove diseased or damaged tissue while leaving healthy cells untouched.
Single-Neuron Observations Reveal Alzheimer Stages
MUNICH, April 25, 2012 — Alzheimer-related changes in the visual cortex have been observed at the single-cell level using two-photon calcium imaging. These changes could reveal distinct stages in Alzheimer’s disease with a specific order in time.
LED-like Solar Cell Absorbs, Emits Light
BERKELEY, Calif., April 24, 2012 — A solar cell designed to be more like an LED — able to emit light as well as absorb it — could achieve efficiencies close to 30 percent, engineers at UC Berkeley report.
Protective Polymers Pave Way for Plastic Solar Cell
ATLANTA, April 24, 2012 — What appears to be a new universal technique to decrease the work function of a conductor in printable electronics has led to the development of the first completely plastic solar cell.
New X-ray Scope Reveals 3-D Nanostructures
UPTON, N.Y., April 23, 2012 — A new full field transmission x-ray microscope now makes it possible to rapidly capture and integrate thousands of two-dimensional images to create digital three-dimensional constructs with high accuracy. The direct observation of structures...
Optical, Electronic Properties of Metal Oxides Tuned
BINGHAMTON, N.Y., April 23, 2012 — Tuning the optical and electronic properties of metal oxides at the atomic level by creating a superlattice “sandwich” now makes it possible to harness the sunlight's energy. The discovery could lead to applications in fuel cells, touchscreen...
Cell Phones that See Through Walls?
DALLAS, April 20, 2012 — Improvements in microchip technology and new scientific advances that let scientists tap into the terahertz range could lead to mobile phones that can be used to see through walls, wood, plastics, paper and other opaque materials. The terahertz...
Lasers Can Improve Hearing
HANNOVER, Germany, April 20, 2012 — New technologies to improve the insertion techniques and exact fitting of cochlear implants in the inner ear could soon provide better-quality residual hearing for more than 200,000 hard-of-hearing people worldwide.
Single Entangled Photon Creation Unlocked
ATLANTA, April 20, 2012 — A new technique can produce single photons with specific properties more efficiently and about 1000 times faster than the current methods, an important advance for several research areas, including quantum information processing and quantum network...
Optical Technique Detects Malaria Early
TRIESTE, Italy, April 19, 2012 — Rapid detection of malaria, particularly in remote parts of the world, is not always possible because current methods are slow and require precise instrumentation and highly skilled microscopic analysis. Now, using a technique called secondary...
Release Process Could Broaden Uses of GaN SCs
TOKYO, April 18, 2012 — Nitride semiconductors grow only on certain surfaces, and their utility is limited by the substrate on which they are fabricated. But a new release process not only makes the process cheaper and easier, but also expands the potential uses of the...
Laser Creates Cheaper Free-Form Optics
AACHEN, Germany, April 17, 2012 — A new cost-effective process for fabricating small batches of nonspherical glass optical components will allow manufacturers to produce high-quality, customizable optical components of any geometry quickly and cheaply. A new cost-effective process...
Hyperspectral Imaging Sheds Light on Wound Healing
GAITHERSBURG, Md., April 13, 2012 — Hyperspectral imaging devices, calibrated to new National Institute of Standards and Technology standard reference spectra, could be used as noninvasive diagnostic tools for discriminating between healthy and diseased tissue and for providing new...
Key to Understanding Photosynthesis Found in Spinach
ATLANTA, April 13, 2012 — Using Fourier transform infrared spectroscopy, researchers at the Georgia Institute of Technology showed the importance of a hydrogen bonding water network in the photosynthesis substructure called photosystem II. The work helps clarify how ammonia...
Mode-Locked Laser Is Ultrafast, Ultrasmall
SYDNEY, April 13, 2012 — The first laser to be mode-locked using a microcavity resonator is a giant leap forward in laser technology, allowing for highly compact, fast and precise lasers. A team led by David Moss of the University of Sydney, in collaboration with scientists...
Exploring Optics Underwater with an iPad
STENNIS SPACE CENTER, Miss., April 11, 2012 — A new rigid frame device that securely holds a high-speed camera and an iPad can obtain field measurements of optical turbulence structures and quantify their impact on underwater imaging and beam propagation.
First Light of Mosfire Celebrated
WAIMEA, Hawaii, April 12, 2012 — The Mosfire instrument observed the universe with its near-infrared sensing eyes for the first time on April 4, capturing images of a pair of interacting galaxies known as The Antennae. The new device will enable astronomers to study space phenomena...
Making Solar Cells Greener
MANHATTAN, Kan., April 11, 2012 — A dye-sensitized solar cell that uses a protein-producing bacteria and synthesized dye to generate energy from sunlight could provide greener solar cells that are friendlier to the environment and living organisms, according to a Kansas State...

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