On rainy nights in Georgia and across the nation, drivers greatly benefit from small, reflective markers that make roadway lanes more visible. A new automated system for installing the markers is expected to improve safety for workers and drivers.
Laboratory experiments with a type of nanomaterial that has great promise for industrial use show significant potential for dispersal in aquatic environments -- especially when natural organic materials are present, according to research led by the Georgia Institute of Technology.
By replicating the micron- and nanometer-scale photonic structures that help give butterfly wings their color, researchers have demonstrated a new technique that uses biotemplates for fabricating nanoscale structures that could serve as optical waveguides, optical splitters and other building blocks of photonic integrated circuits.
Researchers at the Georgia Institute of Technology have developed a technique to study how unicellular micro-algae, known as diatoms, create their complex cell walls. Researchers hope to learn how diatoms assemble these nanometer-patterned, intricate micro-architectures to find better methods for creating nanomaterials in the laboratory.
Analyses of a classic, slow-rupturing tsunami earthquake whose massive waves devastated the coast of Java, Indonesia, this past summer are providing insight to seismologists and engineers, who want to better understand these rare events, recommend strategies to improve safety and perhaps provide long-range forecasts of potential danger zones worldwide.
An innovative combination of existing technologies shows promise for noninvasive, high-resolution imaging of cartilage in research on the progression and treatment of the common degenerative disease osteoarthritis.
A California medical software company has launched the first "inverse planning" system for helping cancer treatment specialists optimize the placement of radioactive seeds used in the brachytherapy process. Optimization improves the treatment by helping meet physician-set constraints for consistent radiation doses to tumor cells.
Atmospheric scientists have reported a new and potentially important mechanism by which chemical emissions from ocean phytoplankton may influence the formation of clouds that reflect sunlight away from our planet.
Microbes may compete with large animal scavengers by producing repugnant chemicals that deter higher species from consuming valuable food resources -- such as decaying meat, seeds and fruit, according to a new study published Nov. 1 in the journal Ecology.
Researchers are mimicking one of Nature's best non-stick surfaces to help create more reliable electric transmission systems, photovoltaic arrays that retain their efficiency, MEMS structures unaffected by water and improved biocompatible surfaces able to prevent cells from adhering to implanted medical devices.
A new technique for creating vertical alignment among liquid crystal molecules could allow development of less costly flexible displays and lead to a better understanding of the factors that govern operation of the popular liquid crystal display systems.
Though it's not a prescription to cure obesity or a magic wand to make traffic congestion disappear, the new Georgia Guidebook for Pedestrian Planning does provide detailed directions for administering a healthy dose of help. The guidebook, developed by researchers at the Georgia Institute of Technology, helps planners assess their pedestrian environment and prioritize projects to improve it.
A database of more than 10 million spam email messages collected at just one Internet "spam sinkhole" suggests that Internet service providers could better fight unwanted junk email by addressing it at the network level, rather than using currently available message content filters. The research, conducted by Georgia Tech, will be presented Sept. 14 at SIGCOMM 2006.
Known primarily for his foundational work in math and physics, Sir Isaac Newton actually spent more time on research in alchemy, as well as its interrelationships with science, history and religion, and its implications for economics. Georgia Tech Professor Kenneth Knoespel will present an invited talk on this research on Sept. 11 at the American Chemical Society's 232nd national meeting.
Finding the best materials for PEM fuel cells will require analyzing potentially billions of possible material combinations. In response, Georgia Institute of Technology is developing a new screening system that will enable researchers to evaluate hundreds or thousands of potential materials in a single experiment.
Using nanometer scale analysis techniques and quantities too small to explode, researchers have mapped the temperature and length-sale factors that make energetic materials "“ otherwise known as explosives "“ behave the way they do.
Researchers have shown how ultrasound energy can briefly "open a door" in the protective outer membranes of living cells to allow entry of drugs and other therapeutic molecules "“ and how the cells themselves can then quickly close the door.
Concentrations of atmospheric ozone -- which protects Earth from the sun's ultraviolet radiation -- are showing signs of recovery in the most important regions of the stratosphere above the mid-latitudes in both the Northern and Southern hemispheres, a new study shows. The study will be published in the Sept. 9 issue of the Journal of Geophysical Research--Atmospheres.
Georgia Institute of Technology researchers have conducted successful test flights of a hydrogen-powered unmanned aircraft believed to be the largest to fly on a proton exchange membrane (PEM) fuel cell using compressed hydrogen.
Researchers at the Georgia Institute of Technology have received funding from the NASA/Earth Science Technology Office to evaluate a material called liquid crystal polymer (LCP) for electronics applications in space.
New wireless technologies that improve security, commerce and entertainment may also carry a down side: potential interference with implantable medical devices such as pacemakers, defibrillators and drug-infusion pumps. A research center at the Georgia Institute of Technology has expanded its test capabilities to help manufacturers head off such conflicts.
A research team from IBM and the Georgia Institute of Technology has demonstrated the first silicon-germanium transistor able to operate at frequencies above 500 GHz. The accomplishment redefines the performance limits of silicon-based semiconductors.
Researchers at the Georgia Institute of Technology have completed a prototype device that can block digital-camera function in a given area. Commercial versions of the technology could be used to stymie unwanted use of video or still cameras.
What if you absolutely must delete all data from a computer drive -- beyond any hope of recovery? That was the challenge facing scientists at the Georgia Tech Research Institute (GTRI). Their solution: special high-strength neodymium iron-boron magnets that permanently erase all the information.
A worsening epidemic of sophisticated anti-malarial drug counterfeiting in southeast Asia and Africa is increasing the likelihood of drug-resistant parasites, yielding false-positive results on screening tests and risking the lives of hundreds of thousands of malaria patients, mostly children, researchers say.
Researchers led by the Georgia Institute of Technology are developing novel analytical chemistry techniques to detect and quantify the contents of counterfeit anti-malarial drugs and other fake pharmaceuticals. The manufacture and distribution of these fake medications is a growing problem in third-world countries, where the mosquito-borne illness malaria is widespread.
Researchers have developed a new technique that could provide detailed information about the growth of nanometer-scale structures as they are being produced. The technique offers a way for researchers to map how changes in growth conditions affect fabrication of the structures.
By taking advantage of a phenomenon that earlier designers had struggled to avoid, engineers at the Georgia Tech Research Institute (GTRI) have developed a new approach to phased-array antenna design that could allow a single ultra-wideband device to do the job of five conventional antennas.
Using experimental data and simulations, researchers have identified key parameters that predict the outcome of nanoimprint lithography, a fabrication technique that offers an alternative to traditional lithography in patterning integrated circuits and other small-scale structures into polymers.
Scientists have used a powerful molecular imaging technique to see inside living cells infected with the most pervasive and potentially fatal childhood respiratory virus known to medicine -- respiratory syncytial virus (RSV).
A study of how electrons behave in circuitry made from ultrathin layers of graphite "“ known as graphene "“ suggests the material could provide the foundation for a new generation of nanometer scale devices that manipulate electrons as waves "“ much like photonic systems control light waves.
Researchers have developed a new technique for powering nanometer-scale devices without the need for bulky energy sources such as batteries. By converting mechanical energy into electricity, these "nanogenerators" could make possible a new class of self-powered nanodevices.
A new software tool known as the "Chemical Companion" will help first responders more quickly determine how to deal with chemical spills. The tool, which runs on personal digital assistants, includes information on 130 of the most common chemicals associated with hazmat incidents.
Researchers have identified a new test case that could be used for evaluating extraterrestrial samples for evidence of life. The new test could ultimately allow the use of simpler analytical instrumentation on future space missions.
In research that could help control contamination from the radioactive element uranium, scientists have discovered that some bacteria found in the soil and subsurface can release phosphate that converts uranium contamination into an insoluble and immobile form.
A newly developed family of biodegradable polymers has shown potential for use in intracellular delivery and sustained release of therapeutic drugs to the acidic environments of tumors, inflammatory tissues and intracellular vesicles that hold foreign matter.
Researchers are using an innovative, multi-functional sensing tool to investigate adenosine triphosphate (ATP) release and its role in cystic fibrosis. The ATP study marks the first application of a novel sensing system developed by the Georgia Institute of Technology.
Telecommunications researchers have demonstrated a novel communications network design that would provide both ultra-high-speed wireless and wired access services from the same signals carried on a single optical fiber.
Using the unique properties of new nanometer-scale magnetic particles, researchers have for the first time separated for reuse two different catalysts from a multi-step chemical reaction done in a single vessel.
Graphite, the material that gives pencils their marking ability, could be the basis for a new class of nanometer-scale electronic devices that have the attractive properties of carbon nanotubes "“ but could be produced using established microelectronics manufacturing techniques.
A new environmental test facility at the Georgia Tech Research Institute (GTRI) is helping manufacturers of furnishings, paints and building materials meet increasingly strict regulations on chemical emissions that can impact indoor air quality.
When a crisis occurs, public-safety officials must coordinate their efforts. But in Georgia, like many states, different agencies use radio systems that operate on different frequencies and technologies. A new project is using a type of voice over Internet technology to help those agencies talk.
Who will operate the nanotechnology factories of the future? Will the public be able to make informed decisions about nanoscale products and services? Questions like these concern Nancy Healy, education coordinator for the National Nanotechnology Infrastructure Network.
Georgia Tech engineers have developed a software system that helps the maintainers of military aircraft use laptop-based information and the Internet to do their work more efficiently. The system was recently adapted for the Navy's Pioneer Unmanned Aerial Vehicle.
Companies may think they've tuned into customers when, in reality, they're self-absorbed. Recognizing that corporate myopia is one of the keys to becoming a customer-focused organization, says the author of a new book.
A team of Georgia Institute of Technology researchers is developing an inexpensive, handheld device that could help medical personnel provide faster and more accurate injections. The devices uses Doppler ultrasound to locate veins.
In one of three papers published in Nature's December 8 issue, a group of physicists from the Georgia Institute of Technology describes storage and retrieval of single photons transmitted between remote quantum memories composed of rubidium atoms.
A Georgia Institute of Technology researcher has developed a process that increases the hardness and improves the ballistic performance of the material used by the U.S. military for body armor. The researcher's start-up company is commercializing the technology.
A new study of nearly 650 Georgia manufacturing companies underscores the importance of innovation as a competitive strategy "“ at a time when international outsourcing continues to impact Georgia's manufacturing community.
New research shows that the unique properties of atomic Bose-Einstein condensates extend to the internal spin states of the atoms from which the condensates are formed. Bose-Einstein condensates are an unusual form of matter in which all atoms exist in the same quantum state.
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