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Research & Technology News

Microactuator Flexes Under Laser Light
BERKELEY, Calif., Dec. 17, 2012 — A microscale actuator that flexes like a tiny beckoning finger under a burst of laser light may point toward practical applications in artificial muscles, microfluidics and drug delivery.
Standardized Testing for Skin Damage
TAIPEI CITY, Taiwan, Dec. 17, 2012 — Beauty is only skin deep, and now scientists can use a laser microscopy technique to gauge a person’s true age from his/her most shallow layer — the skin. The method could provide a standardized way to measure the extent of skin damage and the...
Electrically Conductive Nanoparticles Generate Heat to Kill Cancer Cells
WINSTON-SALEM, N.C., Dec. 14, 2012 — Electrically conductive polymers, commonly used in solar energy applications, have been modified to kill colorectal cancer cells when exposed to infrared light.
Hot Graphite Shines New Light on Laser-driven Fusion
COVENTRY and OXFORD, England, Dec. 14, 2012 — A new strongly heated graphite experiment has left an international team of researchers with some unexpected results that may shine new light on giant planets, white dwarfs and laser-driven fusion.
W.M. Keck Foundation Grants $1M for Biomedical Research
PORTLAND, Ore., Dec. 14, 2012 — Oregon Health & Science University’s Knight Cancer Institute has secured a $1 million grant to develop microscopy technology to advance biomedical research.
Laser Optics Enable View Inside a Fly’s Eye
VIENNA, Dec. 12, 2012 — New laser optics technology that supports high-resolution 3-D microscopy is providing a view into the interior of flies, mice and even medical tissue samples.
Tiny Terahertz Imager Chip Created
PASADENA, Calif., Dec. 11, 2012 — Tiny, inexpensive silicon microchips that generate and radiate terahertz waves could be incorporated into handheld devices, such as smartphones, to suss out explosives in solid objects.
A Black Hole for Light
PRINCETON, N.J., Dec. 10, 2012 — A nanostructured “sandwich” of semiconductor material that collects and traps light has nearly tripled the efficiency of organic solar cells.
Pointing Light Toward Faster Optical Communications
PASADENA, Calif., Dec. 10, 2012 — A device that focuses light into a point just a few nanometer across could lead to more efficient optical devices and higher-resolution imaging systems.
Microscopy Tool Adds ‘Color’ with Nanoscale Resolution
BERKELEY, Calif., Dec. 7, 2012 — Nanoscale objects can now be examined in full color, thanks to a new microscopy tip that delivers chemical details with a resolution once thought impossible. The nanotool could help scientists probe solar-to-electric energy conversion at its most...
Sprinkled Silver Nanocubes Make Super Light Absorbers
DURHAM, N.C., Dec. 7, 2012 — Microscopic silver cubes, when sprinkled at random on a polymer-coated gold surface, can provide a simple and tunable way to create large-area absorbers that “perfectly” absorb light of a given wavelength.
FEL Pulse Temporal Profile Made in a FLASH
SAN SEBASTIÁN, Spain, Dec. 6, 2012 — The temporal profile of an individual free-electron laser (FEL) pulse now can be measured with femtosecond precision using FLASH, a soft-x-ray FEL. The technique could be used to film atoms in motion or to study chemical reactions and phase...
Plasmonic Optical Tweezers Could Trap Tiny Proteins
STANFORD, Calif., Dec. 5, 2012 — An innovative aperture design based on plasmonics could focus light so effectively that tiny beams could trap and manipulate particles as small as a few atoms.
Ben-Gurion Awarded $6.5M to Develop Nanocoating for Night Vision
BEER-SHEVA, Israel, Dec. 4, 2012 — A team led by Ben-Gurion University of the Negev has received a $6.5 million grant to develop a thin-film nanocoating for night- vision glasses that change invisible light to visible using the short-wave infrared light spectrum.
Indium-Free OLEDs
AMES, Iowa, Dec. 4, 2012 — A limited supply and increased demand for indium tin oxide — the chemical compound used in screen displays in computers, TVs and cell phones — has scientists searching for a viable substitute to create indium-free organic LEDs. A well-known...
Nanobubbles Destroy Some Cells, Treat Others
HOUSTON, Dec. 4, 2012 — A single laser blast can activate plasmonic nanobubbles that selectively kill diseased cells while at the same time treating others, and leaving neighboring healthy cells untouched.
Fiber Optic ‘Wrench’ Twists, Turns Tiny Particles
ARLINGTON, Texas, Dec. 3, 2012 — The fiber optic equivalent of the world’s smallest wrench, dubbed the fiber optic spanner, can precisely twist and turn microscale objects in any direction and along any axis without moving any optical component. Developed at The University of...
NIR Imaging Gets Big Boost
STANFORD, Calif., Dec. 3, 2012 — Studying arterial diseases and therapies just got easier, thanks to a new fluorescence imaging technique that allows researchers to visualize the blood flow of living animals with unprecedented clarity. The Stanford University technique, called...
Dark energy camera takes first pictures
CERRO TOLOLO, Chile – After eight years in the making, the most powerful sky-mapping machine ever created, the 570-megapixel Dark Energy Camera (DECam), achieved first light on Sept. 12. The camera was constructed at Fermi National Accelerator Laboratory in Batavia,...
Electrons in QDs seen absorbing, emitting light
DRESDEN, Germany – The special energy states of electrons confined in quantum dots have been observed for the first time, a feat that could help exploit the unique properties of the nanoscale semiconductor materials for technological applications. Because they are...
Electrons in QDs seen absorbing, emitting light
DRESDEN, Germany – The special energy states of electrons confined in quantum dots have been observed for the first time, a feat that could help exploit the unique properties of the nanoscale semiconductor materials for technological applications. Because they are...
FEL fires new life into old technology
SANTA BARBARA, Calif. – A high-power laser has amped up decades-old electron paramagnetic resonance (EPR) spectrometers to more efficiently study the world at the atomic level. The multiuniversity team that enhanced the spectrometer has used it to study the electron spin...
Nanotubes improve hologram projection
CAMBRIDGE, England – Holograms can be generated by harnessing the conductive and light-scattering qualities of carbon nanotubes, a development that could lead to crisper projections with a larger field of view. Many scientists believe that carbon nanotubes will be at...
Nobel Prize in physics recognizes quantum-world experiments
STOCKHOLM – Two independent but related quantum optics methods for measuring and manipulating individual particles while preserving their quantum mechanical nature have been recognized by the Royal Swedish Academy of Sciences with the 2012 Nobel Prize in...
Semiconductor etching monitored in real time
CHAMPAIGN, Ill. – A nondestructive optical technique that simultaneously etches features onto a semiconductor wafer’s surface while monitoring the entire process in real time with nanometer precision could change the future of semiconductor etching....

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