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(9,094 items)
Research & Technology News
Light Silences Brain Cells
CAMBRIDGE, Mass., Jan. 6, 2010 – Neuroscientists at MIT developed a powerful new class of tools to reversibly shut down brain activity using different colors of light. When targeted to specific neurons, such tools could lead to new treatments for the abnormal activity associated with certain brain disorders.
Single Cycle of Light Pulsed
KONSTANZ, Germany, Jan. 6, 2010 -- Extremely short laser pulses – the duration of only one cycle of light – have been generated at the 1.5-µm wavelength used to transmit data, an achievement that could benefit frequency metrology and the ultrafast sciences such as ultrafast optical...
‘GRIN on steroids’: New lens uses opaque metamaterials
DURHAM, N.C. – It doesn’t look like a lens; it looks more like a tiny set of Venetian blinds. It’s not even made of traditional lens materials such as highly polished glass or plastic. But a new generation of lenses has the potential to make big changes in radar...
A backward shock wave comes forward
HANGZHOU, China – A group of researchers has demonstrated a reverse photonic shock wave. As a result, high-energy physics could have a new particle detector, and proposed invisibility cloaks already...
Artificial vacuums unleash speed of quantum computing
TORONTO – Instilling photonic crystals with the occasional quantum dot triggers a vacuumlike effect that alters light in such a way that may make ultrafast optical computing possible. Sajeev John of the University of Toronto and his student Xun Ma were...
Creating nanostructures with shadows
BERKELEY, Calif. – From out of the shadows, researchers at the University of California, Berkeley, have built nanostructures that might lead to more efficient solar power. Another potential applicati...
Europe signs on to big x-ray facility
HAMBURG, Germany – Europe soon will boast a multimillion-dollar research facility that promises to open up completely new research opportunities for scientists and industrialists alike. The European X-ray Free Electron Laser (European XFEL), which will be located in...
Filming photons using electrons
PASADENA, Calif. – A new technique that tracks and images nanoscale matter in real time also enables researchers to image electrical fields produced by the interaction of electrons and photons. The method, which uses four-dimensional microscopy, was developed by...
Isolating hot spots enhances Raman results
CAMBRIDGE, Mass. – A new technique demonstrated by a Harvard group may provide environmental researchers, chemists and forensic investigators with a new tool to detect and identify trace molecules. The research combined the two separate concepts of...
Optical microrings boost cancer detection
URBANA-CHAMPAIGN, Ill. – Sensitive detection of biomolecules is of great interest for applications such as drug development, virus detection, environmental monitoring and medical diagnostics. In contrast to optical biosensors based on surface plasmon resonance,...
Partnership to advance genetic sequencing
Jan 4, 2010 — Biotechnology company Life Technologies Corp. of Carlsbad, Calif., and febit holding GmbH of Heidelberg, Germany, a genomic research provider, have announced their intention to collaborate. They will combine the former company’s Applied Biosystems...
Protecting aircraft from lasers
LA JOLLA, Calif. – During the operation of astronomical telescopes, laser beams frequently are emitted into the atmosphere for satellite or lunar ranging. They also can be used to create artificial g...
Pushing light to new limits
ADELAIDE, Australia – Australian researchers are rewriting the rules on how light behaves when confined in ever-smaller optical fibers. Everything has its limits, and light-carrying optical fibers are no exception. Until now, it was thought that, as the size of the...
Pushing the envelope: Trends in green research and technology
Jan 4, 2010 — Raising efficiency while lowering costs is the trend in solar as well as solid-state lighting. Researchers have been working toward this end in both areas for decades, and there ar...
Some Like It Hot
DUISBURG, Germany, Jan. 4, 2010 -- Normally, microelectronic chips designed to take pressure readings are very delicate. But a new technology developed at the Fraunhofer Institute for Microelectronics Circuits and Systems (IMS) makes them robust enough to continue operating normally...
Trends in 2009, predictions for 2010
Jan 4, 2010 — January has become a time of special reflection. As New Year’s Eve celebrations die down and New Year’s resolutions rear their heads, it’s common to look back at the previous year to glean lessons from both successes and mistakes and to make plans...
Whispering-gallery sensor can measure a single nanoparticle
ST. LOUIS – Nanoparticles can be found nowadays in approximately 800 products, from sunscreen to anti-graffiti paint, plastic beer bottles and home pregnancy tests, and researchers are working on ways to assess how these particles affect human health and the...
X-ray Determines Cell Density
GÖTTINGEN, Germany, Dec. 31, 2009 – Researchers usually have to destroy their samples to determine the densities and volumes of the different components which make up a biological cell. Larger subunits of the cell, consisting of many different biomolecules, are often destroyed before...
A Few Photons Control Atom
GARCHING, Germany, Dec. 30, 2009 – The motion of a single atom in an optical trap has been controlled by the use of a fast feedback logic loop developed by scientists at the Max Planck Institute of Quantum Optics (MPQ), who also showed that the detection of just a few photons is all...
IR ‘Eyes’ to See Back in Time
GREENBELT, Md., Dec. 30, 2009 – NASA’s James Webb Space Telescope’s Mid-Infrared Instrument (MIRI) detectors will see even further back in time than its predecessor, the Hubble Space Telescope, when it is sent into orbit in 2014. The Webb, the largest space observatory every...
Fluorescein Images Graphene
EVANSTON, Ill., Dec. 28, 2009 – Researchers at Northwestern University used the dye fluorescein to create an imaging technique to view graphene, a one-atom-thick sheet that could be used to produce low-cost carbon-based transparent and flexible electronics.
Glitter-sized Solar Cells
ALBUQUERQUE, N.M., Dec. 24, 2009 – Scientists at Sandia National Laboratories developed tiny glitter-sized photovoltaic cells that could revolutionize the way solar energy is collected and used. The solar particles, fabricated of crystalline silicon, hold the potential for a variety...
Quantum Entanglement
PASADENA, Calif., Dec. 23, 2009 – A new paradigm that should allow scientists to observe quantum behavior in small mechanical systems has been realized by researchers at California Institute of Technology (Caltech). Their ideas offer a new means of addressing one of the most...
4-D Microscopy Films Photons
PASADENA, Calif., Dec. 22, 2009 – A new 4-D microscopy technique was used to track and image nanoscale matter in real-time, allowing researchers at the California Institute of Technology (Caltech) to image electrical fields produced by the interaction of electrons and photons.
Micromachines to Mimic Birds
BUFFALO, N.Y., Dec. 21, 2009 – Using lasers and a water tank, an engineer hopes to use secrets gleaned from the aerodynamically unconventional flights of hummingbirds and other tiny birds and insects to help design tiny self-propelled flying surveillance devices. The research...
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