Researchers found that emotional expressions of anger in negative reviews influence consumer attitudes and choices, counterintuitively increasing the negative impact. Online retailers and review platforms should take angry reviews seriously and address them promptly to mitigate their effects.
The ASCENT network will provide high-time resolution measurements of aerosols, key contributors to climate change and health concerns. The project will advance understanding of aerosol properties and their impact on public health.
Researchers at Georgia Institute of Technology developed improved carbon membranes that can efficiently separate para-xylene from its siblings, reducing energy consumption by up to three times. The breakthrough could lower energy costs in producing commodity chemicals and fuels.
A new study reveals women receive less credit for their work, experience more disagreements over authorship, and are often excluded from future collaborations. The authors call for standardization in authorship decisions and universities to provide pathways for researchers to communicate concerns.
Researchers have developed heat-controllable CAR T cells that can target and destroy cancerous tumors, while preventing relapse. The cells are engineered to produce immunomodulators under photothermal control, increasing their effectiveness against solid tumors.
Researchers developed simple, low-cost legged robots that can link and unlink to accomplish tasks like gap traversal and stair climbing on uneven terrains. The robots use easily acquired off-the-shelf technology and a magnetic connector for docking and cooperative behaviors.
A new wearable brain-machine interface system allows users to imagine actions and wirelessly control wheelchairs, robotic arms, or other devices. The soft and comfortable wearable device offers improved signal acquisition and accuracy compared to existing BMI systems.
A Georgia Tech study found that a hydroxyl radical generator in an office setting generated organic acids and secondary organic aerosols, which can cause health problems. The device was marketed to inactivate pathogens like coronaviruses, but the study highlights the need for further research on its unintended effects.
Researchers developed a low-cost way for backscatter radios to support high-throughput communication and 5G-speed Gb/sec data transfer using only a single transistor. This breakthrough enables scalable communication systems for IoT applications, including energy harvesting, smart home sensors, and agricultural tracking.
Researchers at Georgia Institute of Technology and Emory University have made a significant discovery in the physics of blood clotting. By modeling the dynamics of clot contraction, they found that platelets work best when not in total sync with each other, leading to a 90% decrease in clot volume.
Researchers found that elephants can store up to nine liters of water by dilating their nostrils, allowing them to suck up three liters per second. This unique ability has inspired the development of more efficient robots using air motion, and may also help conservation efforts for endangered elephant species.
Studies show distinct neuron populations control itching in hairy and hairless skin, offering hope for targeted therapies. Researchers aim to develop treatments that block itch-inducing neurons, improving quality of life for patients with chronic skin itch conditions.
Researchers used directed evolution and mathematical modeling to test the Oxygen Control Hypothesis, finding that oxygen levels strongly constrain the evolution of macroscopic multicellularity. This contradicts previous theories suggesting oxygen should promote larger organisms.
A new study found reduced gray matter volume in Covid-19 patients' frontal-temporal network associated with higher disability levels and fever. Gray matter changes may underlie mood disturbances in Covid-19 patients.
A team of researchers has developed a delivery system for RNA-based therapy in brain tumors using ultrasound and nanoparticles. The technique allows for increased tumor cell death and reduced harmful protein production, with potential for minimal side effects.
Researchers have developed a new model, Dynamic Resistive Force Theory (DRFT), to predict the locomotion performance of vehicles and other objects in granular media. The model captures diverse counterintuitive observations in granular locomotion, including behaviors seen in circular and 'grousered' wheel locomotion.
A team of engineers is exploring new methods to focus ultrasound waves through the skull, offering a safer and less expensive alternative to MRI technology. The researchers are also investigating how vibrations and waves across different frequencies can be used to extract information from or focus energy on the brain.
A team of researchers at Georgia Institute of Technology developed simple robots, dubbed 'dumb robots', which can collectively clear debris despite their simplicity. The BOBbots use task embodiment to achieve complex tasks without sensors or programming.
Researchers at Georgia Tech will lead a five-year, $15M NASA grant to develop strategies for testing high-power electric propulsion systems. The Joint Advanced Propulsion Institute (JANUS) aims to overcome infrastructure challenges and create accurate data translation for space travel.
Researchers at Georgia Tech and Brazil's Pontifical Catholic University developed a new framework for designing hierarchical, spatially-varying microstructures with potential applications in cranial reconstruction, space exploration, and biomaterials. This approach combines design and manufacturing to create novel microstructures.
A recent study from Georgia Institute of Technology found that the type of material and number of fabric layers used in homemade masks significantly affect Covid-19 exposure risk. The best-performing materials for masks were blackout drapery and sterilization wrap, which provide an overall filtration efficiency of about 50% for submicr...
Georgia Tech inventors create a flexible Rotman lens-based rectenna system capable of millimeter-wave harvesting in the 28-GHz band, enabling large antenna operation with wide angle coverage. The technology achieved a 21-fold increase in harvested power compared to a referenced counterpart.
Researchers have developed a graphical model to identify cells in the brain, overcoming a major neuroscience bottleneck. The approach uses relationships among cells to define their identity and outperforms traditional methods in identifying cells, especially with imperfect data.
The university will focus on breakthroughs in automated driving, robotics, and machine-assisted cognition with a total of $2.2M in funding over three years. Researchers will develop a standardized testbed and protocol for testing autonomous vehicles and create robots to assist older adults age in place.
A new manufacturing process developed by Georgia Tech researchers allows for the mass production of solid-state batteries using nonflammable ceramic electrolytes. This breakthrough could lead to lighter, safer, and more energy-dense batteries, potentially reducing costs and increasing efficiency.
Researchers developed an mRNA treatment that targets RNA molecules to destroy virus replication in lung cells. The therapy could be effective against 99% of flu strains and new coronavirus variants due to its flexible targeting sequence.
A recent study found that aircraft cabins have the lowest levels of tiny aerosol particles, making them a good option for indoor spaces with low air pollution. The study measured air quality in various environments, including restaurants, offices, and vehicles, and found that aircraft air is exchanged frequently, removing pollutants.
Researchers at Georgia Institute of Technology have developed graphene oxide nanofiltration membranes that can effectively recycle pulping wastewater while rejecting chemicals, reducing energy consumption and costs. The new technology has the potential to save the paper industry over 30% in energy usage.
A new study has revealed that alligator hearts are able to maintain a normal rhythm despite extreme temperature changes, unlike mammals which can fibrillate under stress. This unique adaptation comes at the cost of reduced maximum heart rate and increased vulnerability to cardiac arrhythmia.
Researchers discovered how collective worm behavior helps blobs survive longer against desiccation and respond to temperature gradients and intense light. By studying the worms' movements and interactions, scientists gained insights into the principles of living systems that can be applied to human-designed swarm robots.
Researchers discovered a unique microstructure on the bellies of sidewinding snakes, which improves performance when using lateral undulation for movement. The findings shed light on the functionality of these structures and their role in convergent evolution.
A research team observed internal evolution of materials in solid-state lithium batteries using X-ray tomography. The operando synchrotron imaging revealed how dynamic changes at electrode interfaces determine battery behavior. Understanding these dynamics is crucial for improving the reliability and performance of solid-state batteries.
Active matter systems, which can move under their own power, have been found to spontaneously order without higher-level instructions. Researchers developed a theory that predicts certain types of active matter will enter
A new study found that the tension between awareness of Covid-19's severity and fatigue from pandemic precautions can lead to unusual epidemic patterns. The research team analyzed data and found evidence that individuals tend to increase their activity before the virus wanes, worsening the epidemic severity.
Researchers developed a potential new treatment for glaucoma using a natural, biodegradable hydrogel that opens an alternate pathway for excess fluid to leave the eye. The treatment could provide an efficient alternative to current treatments without daily drops or surgery.
According to a Georgia Institute of Technology researcher, shutting down fossil fuel power plants by 2035 may not require as many early closures as previously thought. By allowing existing plants to reach their typical lifespans, the cost of closure can be reduced and financial liabilities minimized.
Researchers developed a microneedle-based technique to extract dermal interstitial fluid, which could provide valuable information for routine clinical monitoring and diagnostic testing. The study found that ISF contains unique compounds not found in blood samples, offering potential insights into skin exposure to products and pesticides.
Researchers used machine learning to predict water stability in metal-organic frameworks (MOFs), accelerating the development of new materials. The model, trained on over 200 existing MOFs, enables predictions for other important properties, expanding applications in chemical separations, adsorption, and sensing.
Large-area flexible organic photodiodes have surpassed conventional silicon photodiode technology in detecting low levels of light across large areas. The devices offer advantages over silicon, particularly in biomedical imaging and biometric monitoring, with performance comparable to rigid silicon photodiodes.
A study published in PLOS ONE found that non-pharmaceutical interventions such as shelter-in-place and voluntary quarantine can significantly reduce Covid-19 infections, hospitalizations, and deaths. Increasing compliance with these measures can cut cumulative infections in half and reduce peak number of infections to about a third.
The ultra-low-cost LoCHAid device uses electronic filters to shape frequency response and is designed for easy manufacture and repair in low-income countries. It has the potential to provide sufficient value for users despite its limitations, particularly in comparison to luxury hearing aid options.
Researchers developed a new process to upgrade lignin bio-oil to hydrocarbons using dual catalysts, improving its usability as a fuel and source of chemical feedstocks. The process can be done at low temperature and ambient pressure, making it more practical and efficient.
The modular mask combines barrier filtration with stretchable fabric, holding it in place without frequent adjustments. Prototypes have withstood 20 washings without shrinking or losing shape, addressing the fundamental flaw in existing reusable cloth masks.
A new wearable device could accurately assess blood loss due to hemorrhage using seismic vibrations and electrical signals from the heart. The device would provide a numerical score indicating the severity of cardiovascular system performance, helping first responders make life-saving decisions.
Researchers at Georgia Institute of Technology developed a new microgel drug delivery method to improve pancreatic islet transplant success. The method uses an engineered biomaterial to deliver an immune-suppressing protein, reducing dosage and side effects.
A new study using fossil pollen samples suggests that North America's plant biomes are experiencing low landscape resilience, similar to the end of the Pleistocene megafauna extinctions. The researchers found that forests persisted longer than grasslands and recovered more slowly if the ecosystem contains high plant biodiversity.
Researchers at Georgia Tech study slingshot spider's ability to store energy in its web, achieving acceleration of 1,300 m/s2 and forces of over 130 Gs. The spider uses a latch mechanism to release the web and launch itself towards prey.
Researchers develop polymer membrane technology to replace heat-based distillation processes, reducing carbon emissions and energy intensity. The new method could enable a hybrid refining system that significantly reduces energy consumption compared to traditional refining processes.
A lab machine has been developed to mimic the explosion of a giant star, allowing researchers to study the formation of supernovas and their impact on galaxy evolution. The device replicates the blast wave's effects on gas layers, enabling scientists to better understand the creation of beautiful swirls in supernova remnants.
SlothBot, a slow-moving and energy-efficient robot, is being tested at the Atlanta Botanical Garden to monitor endangered species and the environment. The robot's unique design allows it to linger in the trees for months or years, providing new insights into critical ecosystems.