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(9,094 items)
Research & Technology News
Artificial Leaf Produces Electricity
RALEIGH, N.C., Sept. 30, 2010 — In a discovery inspired by nature, a team of researchers have found that water-gel-based solar devices, or artificial leaves, can act like solar cells to produce electricity. According to the team from North Carolina State University, these solar cells also have the potential to be less expensive and more environmentally friendly than the current standard-bearer: silicon-based solar cells. The bendable devices are composed of water-based gel infused with light-sensitive molecules – the...
Quantum Signals Converted to Telecom Wavelengths
ATLANTA, Sept. 29, 2010 — Using optically dense, ultracold clouds of rubidium atoms, advances have been made in three key elements needed for quantum information systems – including a technique for converting photons carrying quantum data to wavelengths that can be...
Physicists Win MacArthur Grants
ITHACA, N.Y., & CAMBRIDGE, Mass., Sept. 28, 2010 — An optical physicist at Cornell University working to develop silicon-based devices that harness the information-processing capabilities of light and an MIT physicist whose research links the worlds of quantum mechanics and astronomy were named...
Bodkin Design Awarded Phase II Grant for Polarimeter
NEWTON, Mass., Sept. 27, 2010 — Bodkin Design & Engineering (BD&E) LLC has received a $750,000 Phase II SBIR contract from the US Navy for the development of a compact polarimetric imager for infrared and visible wavelengths. To aid in the detection of targets from...
JPL Gets ‘Photon Gun’ to Study Martian Rocks
LOS ALAMOS, New Mexico, Sept. 27, 2010 — The ChemCam instrument has completed the first short leg of its long trip to Mars, arriving at the Jet Propulsion Laboratory from Los Alamos National Laboratory for installation aboard the next Mars rover, due to launch in 2011. The NASA Mars...
Light Workout: Optogenetics Stimulates Mouse Muscles
STANFORD, Calif., Sept. 27, 2010 — Light has been used to effectively stimulate muscle movement in mice optically, rather than electrically. In a study involving bioengineered mice whose nerve-cell surfaces are coated with special light-sensitive proteins, researchers at...
Atomic Behavior Recorded in Real Time
SAN JOSE, Calif., Sept. 24, 2010 — IBM announced a breakthrough to its 20-year-old scanning tunneling microscope technology on Friday that gives scientists the ability to record, study and visualize the extremely fast spin of electrons inside individual atoms, in real time. Similar...
Exploring Batteries at the Nanoscale
OAK RIDGE, Tenn., Sept. 24, 2010 — As industries and consumers increasingly seek improved battery power sources, cutting-edge microscopy performed at the Department of Energy’s Oak Ridge National Laboratory (ORNL) is providing an unprecedented perspective on how lithium-ion...
He+ Microscope Refines Patterning
PEABODY, Mass., Sept. 23, 2010 — Scientists are investigating new uses for helium-ion microscopy in nanopatterning. Since it is not limited by the proximity effect of conventional electron-beam lithography, helium-ion technology seems to be an attractive alternative, especially...
Image Sensors Made for Extreme Temps
DUISBURG, Germany, Sept. 23, 2010 — Car manufacturers are increasingly equipping their vehicles with image sensors to register the presence of pedestrians or vehicles in the blind spot or to detect obstacles when parking. The sensors must be able to function in extremely high...
Nano Antenna Captures Light
HOUSTON, Sept. 23, 2010 — Antennas capture aerial signals that make devices, such as radios and cell phone, work better. Now, a lab at Rice University has built an antenna that captures light in the same way, at a small scale that has big potential. Condensed matter...
Lasers Cool, Control Molecules
NEW HAVEN, Conn., Sept. 22, 2010 — While laser cooling techniques that produce ultracold atoms have been around for decades, it has not extended to molecules because of their complex internal structure. Now physicists at Yale University are cooling molecules down to a temperature...
NSF Awards $1.72M to Keck I
KAMUELA, Hawaii, Sept. 22, 2010 — The W. M. Keck Observatory has received a $1.72 million grant from the National Science Foundation (NSF) to design the first near-infrared tip-tilt sensor used to correct for the turbulence in Earth’s atmosphere. The improvements will increase...
Pocket Projector Realized
LAUSANNE, Switzerland, Sept. 22, 2010 — The projector of the future, 1 cm³ of technology that can be integrated into a portable computer or mobile telephone, is about to take the market by storm. Lemoptix, a spinoff of École polytechnique fédérale de Lausanne...
Sensor Measures Eensy Weensy Forces Fast
GAITHERSBURG, Md., Sept. 22, 2010 — Physicists at the National Institute of Standards and Technology (NIST) have used a small crystal of ions to detect forces at the scale of yoctonewtons. Measurements of slight forces — one yoctonewton is equivalent to the weight of a single...
3-D Ear Canal Scanner Gets Funding
CAMBRIDGE, Mass., Sept. 21, 2010 — Lantos Technologies Inc. has announced that it has closed on $1.6 million in a Series A financing to develop its novel 3-D ear canal imaging technology. Braintree-based Catalyst Health Ventures led the round, which was joined by Boston-based...
ASU Forms Center for Photonics Innovation
TEMPE, Ariz., Sept. 21, 2010 — The Arizona Board of Regents recently approved the establishment of the Center for Photonics Innovation, a center that will combine the Arizona State University’s research and teaching resources. The center has formed as an answer to the...
Image Sensors for Extreme Temperatures
DUISBURG, Germany, Sept. 21, 2010 — Image sensors used as parking aids in cars or used for quality control in production systems must be able to withstand the very high temperatures that often prevail in these environments. Now, research scientists have produced a CMOS chip that...
PV System Self-assembles and Self-repairs
CAMBRIDGE, Mass., Sept. 21, 2010 — MIT scientists have created a set of self-assembling molecules that can turn sunlight into electricity, much like plants that convert sunlight into stored energy. These novel molecules can be repeatedly broken down and then reassembled quickly, just...
Tractor Beam Becoming a Reality
CANBERRA, Australia, Sept. 21, 2010 — Using a specially designed laser beam, researchers at the Australian National University (ANU) have developed the ability to move particles over large distances. Professor Andrei Rode’s team from the Laser Physics Center at ANU have...
Bayer Makes Flame-retardant Polycarbonate for LEDs
PITTSBURGH, Sept. 20, 2010 — Bayer MaterialScience LLC has developed a flame-retardant polycarbonate plastic that enables LED and other electronics manufacturers to slim down lenses and covers. Makrolon FR7067 polycarbonate plastic meets the UL-94 V0 rating at 1.5 mm,...
FRET Tracks Single Enzyme
CHAMPAIGN, Ill., Sept. 20, 2010 — Thanks to a single-molecule imaging technique developed by a University of Illinois professor, researchers have revealed the mechanisms of an important DNA-regulating enzyme. Helicase enzymes are best known for “unzipping” DNA for...
Laser Backpack Improves 3-D Mapping
ARLINGTON, Va., Sept. 20, 2010 — A portable, laser backpack for 3-D mapping has been developed at the University of California, Berkeley, where it is being hailed as a breakthrough technology capable of producing fast, automatic and realistic 3-D mapping of difficult interior...
Need Water? Just Add UV Starlight
PARIS, Sept. 20, 2010 — The European Space Agency’s Herschel infrared space observatory has discovered that ultraviolet starlight is the key ingredient for making water in space. It is the only explanation for why a dying star is surrounded by a gigantic cloud of hot...
Phase-change Nanobeans Store Mega Data
BERKELEY, Calif., Sept. 20, 2010 — The ability of phase-change materials to transition between different phases has made them valuable as a low-power source of non-volatile or “flash” memory and data storage. Now an entire new class of phase-change materials has been...
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