The study identifies two techniques for combating spam: improving Internet routing infrastructure security and developing algorithms to identify botnets. The researchers found that network-level properties, such as route hijacking, can be used to identify spammers and improve spam filtering.
A recent study by Georgia Institute of Technology Professor Kenneth Knoespel explores the intersection of Sir Isaac Newton's alchemical practice and his work in economics, showing how his ideas on value were transformed into a systematic structure of social value.
Researchers are developing a new combinatorial toolkit to evaluate hundreds of potential PEM fuel cell materials in a single experiment. The goal is to double membrane durability and cut costs in half. This project involves creating low-cost, thermally stable membranes using a 'formulation approach' that combines different polymers.
Researchers at Georgia Tech are exploring the production of high-value chemicals from cellulose feedstocks, such as trees and fast-growing plants. These chemicals, worth up to $25 per pound, could help make ethanol produced by biorefineries cost competitive with traditional fossil fuels.
Researchers developed a new technique to study energetic materials, such as explosives, at the nanoscale. They mapped temperature and length-scale factors that influence their behavior, providing insights into melting, evaporation, and decomposition.
Researchers have demonstrated how ultrasound can briefly open cell membranes to allow entry of therapeutic molecules, which could advance gene therapies and targeted chemotherapy. The cells then quickly close the door, allowing for non-invasive drug delivery.
Researchers attribute ozone recovery to the Montreal Protocol and changes in atmospheric transport dynamics. Ozone levels have stopped decreasing in one region and are increasing in another in the stratosphere above mid-latitudes.
A team of researchers from Georgia Institute of Technology successfully tested a hydrogen-powered unmanned aircraft with a 22-foot wingspan, generating only 500 watts of power. The fuel-cell system makes the aircraft more compelling than just a lab demonstration or even a fuel cell system powering a house.
Researchers have gained insights into a critical reaction that transforms guanine base into 8-oxo-guanine, leading to cancer development. The reaction involves sodium ions promoting bonding between water molecules and the guanine base.
Georgia Institute of Technology researchers are exploring the potential of LCP for high-frequency radio applications, antennas, and circuit boards in space. The material's unique structure provides excellent electrical performance, heat resistance, flexibility, and strength, making it a promising candidate for NASA applications.
The SWAN system uses robotic technology and auditory signals to guide users through unknown territory, providing real-time audio cues to aid the blind and firefighters. Researchers have developed a wearable computing system consisting of a small laptop, tracking chip, and bone-conduction headphones.
Gold nanoclusters can be activated as catalysts with thin magnesium oxide films, even in defect-free conditions. The study reveals that the film's thickness influences the cluster's structure and dimensionality.
Georgia Tech researchers develop wavelength-demultipler (WD) that can separate high-resolution wavelengths in tight confines, solving problems with combining delicate optical functions. The WD is integrated into a microchip for signal processing, communications, or sensing applications.
Researchers created a nanoscale probe that can capture both biochemical makeup and topography of complex biological objects in their natural environment. The Scanning Mass Spectrometry (SMS) probe helps understand cellular interactions at the most fundamental level, including cell signaling and protein expression.
Researchers at Georgia Institute of Technology have discovered the rules governing gene amplification events, including the role of palindromic sequences and hairpin-capped double strand breaks. This finding has potential applications in cancer prevention and treatment by identifying strategies to restrict gene amplification.
The Stagnation Point Reverse Flow Combustor reduces NOx and CO emissions by burning fuel in low-temperature reactions, eliminating high-temperature pockets. The design can be adapted for various applications, including aircraft engines and power-generating gas turbines.
A Georgia Tech and IBM research team achieved speeds of half a trillion cycles per second in commercial silicon-based technology using large wafers and low-cost manufacturing techniques. The devices operated at frequencies above 500 GHz at extremely low temperatures.
The production and distribution of counterfeit antimalarial drugs pose a significant threat to public health, particularly in poor and developing countries. Researchers are calling for stricter regulations and detection methods to combat the issue, which has serious implications for malaria control efforts.
Researchers at Georgia Tech have developed new high-throughput ionization techniques to quantify the composition of counterfeit anti-malarials. These techniques, DESI and DART, allow for rapid screening and improved sensitivity, with potential applications in drug quality control and malaria control.
Scientists at Georgia Institute of Technology developed a new nanofabrication technique by growing carbon nanotubes on micro-cantilevers, enabling precise measurement and control over the growth process. This platform allows for rapid testing of various chemistry or growth conditions, accelerating materials discovery.
A new project led by Georgia Tech aims to develop strategies to help ports manage seismic risk more effectively. The team will evaluate methods of preventing damage using large-scale tests and investigate applying similar approaches to managing risks from other natural hazards.
Scientists mimic worm brains and fish jaws to develop brain-inspired sensors and gain insight into human memory formation. Researchers also explore biological inspiration for legged robots, prosthetics, and tissue engineering.
Researchers found that thunderstorms over Tibet transport nearly three times more water vapor into the lower stratosphere than those in India. The study also reveals that Tibetan storms are responsible for transporting carbon monoxide to the upper atmosphere, affecting air pollution.
A three-year study by Georgia Institute of Technology and Sandia National Laboratories provides a roadmap for next-generation micron- and nanometer-scale high-resolution imprint manufacturing. The research develops manufacturing design rules that will give future users a predictive tool kit to know what to expect over a broad range of ...
Scientists have developed a new method using molecular beacons to visualize and detect the genome of the respiratory virus in live cells. This technique allows for early detection of the virus, which is essential for treating the disease.
Researchers have developed graphene circuitry comparable to carbon nanotubes, allowing for high-volume production. The material exhibits high electron mobility and coherence, enabling the transport of electrons through waveguides. Challenges ahead include improving patterning techniques and understanding fundamental properties.
Researchers have developed nanogenerators that can convert mechanical energy into electricity, opening up possibilities for battery-free implants, sensors, and portable electronics. The devices use zinc oxide nanowires to produce current through the piezoelectric effect.
Researchers have found that subsurface bacteria can release phosphate, which converts uranium contamination into an immobile form. This biomineralization approach uses phosphate precipitation to immobilize uranium, offering a novel strategy for remediation.
A new study uses racemization, the conversion of an optically active compound to a racemic form, as a potential marker for extraterrestrial life. Researchers also developed more sensitive polarimeters that can detect smaller concentrations of optically active compounds in samples from outer space.
Researchers have developed a new family of biodegradable polymers, called polyketals, that can deliver drugs to cells more efficiently and with reduced inflammation. These polymers degrade into FDA-approved compounds and generate membrane-permeable products that allow byproducts to diffuse outside the cell.
The new multi-functional imaging technique combines AFM and SECM functionality to provide a holistic view of biological activities at the cell surface. Researchers have demonstrated its effectiveness in studying ATP release in live epithelial cells, shedding light on cystic fibrosis.
A new study by Georgia Tech researchers confirms the link between rising sea surface temperatures and increasing hurricane strength. Sea surface temperatures are found to be the dominant influence on global and North Atlantic hurricanes, with no significant trend in wind shear or other factors over the past 35 years.
Researchers at Georgia Institute of Technology have demonstrated a novel communications network design providing dual wired/wireless transmission, significantly faster than current networks. The new architecture would reduce costs and improve services for conference centers, airports, and homes.
Researchers have developed a method to separate two different catalysts from a multi-step chemical reaction done in a single vessel using magnetic nanoparticles. This technique could lead to more efficient production of specialty chemicals and reduce waste, benefiting the pharmaceutical and specialty chemical industries.
Researchers found that older adults are more likely to attribute actions to individuals alone when in a negative mood, while younger adults consider situational factors. This suggests that older adults may struggle with processing external information in negative emotional states.
Graphene, a material that gives pencils their marking ability, has been used to produce proof-of-principle transistors, loop devices, and circuitry. The researchers hope to use graphene layers as the basis for revolutionary electronic systems that would manipulate electrons as waves rather than particles.
Researchers have found a safer and more effective way to detect and kill cancer cells using gold nanorods. The new method allows for deeper penetrating noninvasive cancer treatment without harming healthy cells, making it a promising approach for treating breast cancer.
A recent study found that exotic herbivores, such as cattle and goats, increase the abundance of invasive exotic plants by 70% compared to native plants. This is due to selective consumption of native plants, freeing resources for exotic plants. Meanwhile, native herbivores decrease the relative abundance of exotics by 28%.
Researchers at Georgia Tech have developed ultra-efficient embedded architectures using probabilistic technology, achieving significant gains in energy efficiency. The new approach outperforms traditional CMOS-based architectures, with some applications showing reductions of over 560.
The new system enables rapid communication among law enforcement agencies and first responders, facilitating responses to crises such as manhunts and natural disasters. With the implementation of this system, authorized officers can communicate with each other across jurisdictions, enhancing public safety and response times.
The Maintainer's Electronic Performance Support System (MEPSS) is a software developed by the Georgia Institute of Technology to help military aircraft maintainers work more efficiently. The system provides access to technical information, parts lists, and troubleshooting tips, allowing technicians to diagnose and repair issues quickly.
Researchers at Georgia Institute of Technology have developed an algorithm that creates accurate three-dimensional models of over 900 GPCRs, a class of proteins targeted by many drugs. These models could help scientists discover new drug compounds more efficiently, and are now freely available to noncommercial users.
Research finds large amounts of nitrogen oxides (NOx) transported to North America from the Pacific Ocean in May contribute to significant increases in ozone levels over the region. The discovery will help build better models to understand how pollutants affect other regions, with potential implications for air quality and human health.
Scientists at Georgia Tech have developed reusable hydrogel microlenses that can detect trace amounts of biological or chemical agents in a matter of seconds. These tiny lenses use antibody-antigen binding to change their focus when exposed to the target substance, enabling rapid detection and identification.
Researchers at Georgia Tech have created a highly sensitive atomic force microscopy (AFM) technology called FIRAT, capable of high-speed imaging 100 times faster than current AFM. FIRAT can capture material property imaging and parallel molecular assays for drug screening and discovery.
The new Cluster 1350 system is a 1000-node cluster running Linux, capable of performing over 8.5 trillion calculations per second, making it one of the fastest in the world. This enables researchers to quickly analyze complex DNA and proteins to develop more targeted drugs for human cancer genes and proteins.
A multidisciplinary study recommends increasing the practicality of using biofuels and biomaterials as a supplement to petroleum. The group suggests exploring a broader spectrum of materials, including agriculture wastes and fast-growing trees, to address current transportation fuel needs.
A recent study has found that human and chimp molecular evolution rates are surprisingly similar, indicating that certain human-specific traits such as generation time may have evolved only one million years ago. This slowdown in the molecular clock correlates with a longer generation time, which is also characteristic of humans.
Researchers have developed a portable device that uses Doppler ultrasound to find veins quickly and accurately. The device is composed of two parts: a reusable unit with signal processing components and a disposable coupler box with a reflector and needle guide.
Biologists at Georgia Tech found a strong negative linear relationship between genome size and effective population size in 1,043 species of fish. This suggests that larger genomes may evolve due to reduced genetic variation, not as an adaptation.