Articles tagged with Vehicles
Researchers at CytoDel developed a precision biotherapeutic that can enter neurons and protect SNARE proteins by inhibiting botulinum neurotoxin's catalytic activity. This non-viral delivery method has potential for treating multiple neurological diseases, including synaptopathies.
Researchers have created a new method to reduce noise emissions from small unmanned aerial systems (sUAS) without compromising their flight range or endurance. The method uses high-fidelity computational fluid dynamics codes to obtain information about airfoil boundary layers, enabling the development of quieter air vehicles.
Scientists at the University of Illinois have developed a new way to model hypersonic flow, allowing for a better understanding of thermal protection systems and heat shields. The research uses quantum physics and machine learning to simulate the interactions between molecules and atoms in extreme environments.
Researchers discovered that squid jet propulsion can be more efficient when considering turbulent flow conditions, revealing clues about how squids maneuver within these environments. The study found symmetry-breaking instability of vortices around the jetter, which affects thrust production and efficiency.
A new study suggests that smartphone acceleration sensors can provide a low-cost measure of road roughness, allowing engineers to prioritize maintenance and reduce costs. This approach could also be used to assess the condition of rural roads in developing countries.
Feitian Zhang and Pei Dong received a $15,000 grant to purchase a remotely operated vehicle with GPS for monitoring microelectronic sensors in aquatic environments. The funding will support their research in aquatic environmental monitoring until August 2021.
A Purdue University team has created a mobile docking system for AUVs, enabling them to perform longer tasks without human intervention. The system uses algorithms to optimize trajectories, allowing robots to autonomously dock mid-mission to recharge and transfer data.
Researchers from Children's Hospital of Philadelphia demonstrate the effectiveness of virtual driving assessments in identifying safety-critical skill deficits and providing personalized feedback. The tool has been shown to be valid, feasible, and efficient, with a potential to reduce crashes and improve driver safety.
Scientists create controlled dynamics of colloidal rods on a magnetised chip using mathematical coding, increasing efficiency in research and potential applications in biomedicine and biotechnology. The study paves the way for mini-laboratories to study materials and biochemical agents.
Researchers used UAVs to collect NDVI data at the seed increase stage of a CIMMYT wheat breeding program, showing heritable correlations with grain yield. Selection based on NDVI outperformed visual selection, suggesting improved resource-use efficiency and genetic gain.
Research found occupational exposures to pollutants, including burning wood and vehicle exhaust, were associated with abnormal heart function and structure. Long-term exposure to these pollutants may increase the risk of cardiovascular disease, especially among low-income occupations.
A team of international researchers, led by the University of Bern, has created an electrocatalyst that improves the electrochemical reaction in fuel cells without a carbon carrier. This breakthrough technology promises stable fuel cell operation even at higher temperatures and high current density.
The U.S. Army has developed a reinforcement learning approach that enables swarms of unmanned aerial and ground vehicles to accomplish various missions while minimizing performance uncertainty. This allows for efficient execution of time-consuming or dangerous tasks, enhancing warfighters' tactical situational awareness.
Researchers at the University of Missouri studied drivers' responses to collision avoidance systems using open road testing. They identified four behavioral categories: active gaze, self-conscious gaze, attentive gaze, and ignored gaze, which can affect system effectiveness.
A new deep learning network with backward connections achieves more accurate crowd counting, enabling better public safety and traffic efficiency. The researchers developed the network to estimate human density in public places and vehicle density on roads.
Researchers at King Abdullah University of Science & Technology have developed a new model for positioning tethered unmanned aerial vehicles (TUAVs) to improve cellular phone and internet networks. The study shows that TUAVs can outperform free-flying UAVs in most scenarios with longer tethers.
Researchers have developed bioactive factors-imprinted scaffold vehicles to promote bone healing by improving the stability and half-life of exogenous biofactors. The vehicles were used in various forms, including rigid bone graft substitutes, soft sponge-like scaffolds, and injectable vehicles, to enhance bone repair.
New research enables structural optimization of Future Vertical Lift vehicles, allowing for morphing capabilities during flight. This reduces computational cost by up to 80% while maintaining accuracy.
Researchers at UTEP have created a nanohybrid vehicle that can selectively deliver polyphenol ellagic acid into the brain to mitigate neurodegenerative disorders. The vehicle reduces cytotoxicity while enhancing anti-oxidant properties, allowing for extended drug release.
A Texas A&M University study found that older adults are more likely to use driver-assistance technologies if taught through interactive videos. The research suggests that video-based training is the most effective method for introducing these technologies to seniors, reducing mental workload and increasing safety on the road.
Researchers have developed a metal-air scavenger that provides power by breaking chemical bonds in metal surfaces, outperforming batteries and harvesters. The technology has 10 times more power density than the best energy harvesters and 13 times more energy density than lithium-ion batteries.
The study assesses Iowa's data-driven patrol strategy, which aims to significantly reduce serious injury and fatal vehicle crashes. The researchers will follow the implementation of the program and evaluate its effects using quasi-experimental designs.
A new study from Columbia University's Mailman School of Public Health found that ride-hailing trips increase the number of crashes for motorists and pedestrians at pick-up and drop-off locations. The research used data for individual ride-hailing trips and found no link between ride-hailing and cyclist or taxi crashes.
Researchers found that fish and zooplankton behavior are disrupted by artificial light during the polar night, affecting stock assessments of commercial and non-commercial fish species. They also discovered that this disruption occurs as far down as the Mesopelagic Zone, where it can impact fisheries surveys.
According to a new study, accidents involving drivers with low blood alcohol concentrations are more likely to cause harm to others than drivers with levels at or above the limit. The study found that stringent alcohol policies can reduce the likelihood of fatal accidents involving drivers with all levels of alcohol blood concentration.
The UVA Engineering-Virginia Tech team, Team VICTOR, will compete in the Mohamed Bin Zayed International Robotics Challenge 2020 with autonomous robots that can work independently. The team aims to develop sophisticated robots for various applications, including construction and space exploration.
Researchers developed an algorithm that uses first-order echoes from microphones to reconstruct a room's shape. The method is a theoretical problem but has potential applications in various fields, such as vehicle navigation and sound localization.
A Japanese study found increased traffic injuries among older drivers who lost their licenses after undergoing cognitive tests, as they became unprotected road users. The research suggests that the policy may not adequately consider the dangers facing those who lose a main mode of transport.
E-scooters pose significant safety concerns, but new research highlights additional security and privacy risks including data breaches and spoofed GPS systems. The study identifies vulnerable points in the ride-sharing ecosystem that can be exploited by malicious actors.
A new study from Carnegie Mellon University sheds light on an under-appreciated source of organic aerosol (SOA) in urban areas, showing that volatile organic compounds (VOCs) contribute significantly to SOA formation. The research reveals that non-traditional VOCs, such as those found in everyday household products, are a major contrib...
A new study found that firearm injury survivors experience higher rates of chronic pain, post-traumatic stress disorder (PTSD) and poor physical health compared to motor vehicle crash survivors. The study highlights the need for continued care and follow-up services after discharge.
University of Texas and MIT researchers develop predictive digital twins for UAVs, using physics-based models to capture the details of their behavior. The system can make real-time predictions of a UAV's health, enabling autonomous decision-making and reducing the risk of crashes.
New UBC research reveals that robotic vehicles like Amazon delivery drones or Mars rovers can be hacked using stealth attacks, causing them to crash or complete their missions late. The study identifies weaknesses in robotic vehicle software that could allow attackers to disrupt behavior and evade detection.
Researchers studied the interaction of ice crystals and dust particles with vehicle surfaces, revealing rules for material degradation and erosion. The work provides a 'first principles' rule for predicting surface damage in hypersonic flight.
A new study from Harvard University and the University of Leicester estimates that nearly 50,000 people could die prematurely each year from fossil fuel emissions in Africa by 2030. The researchers found that a shift to clean energy sources could have a substantial health benefit for Africans.
A team of researchers developed a way for multiple UAVs to form intelligent teams while maintaining individual control, enabling more efficient and adaptable flight operations. The technique uses software-in-the-loop testing and simulation environments to optimize UAV performance in varying environmental conditions.
A new study suggests that bilingual individuals are less prone to emotional biases when making financial decisions, which could lead to better outcomes in negotiations and investments. The study found that thinking in a foreign language decreases sellers' attachment to their products, resulting in lower prices and improved interactions.
A study found that e-cigarette smoke induces lung adenocarcinoma and bladder urothelial hyperplasia in mice. Exposure to e-cigarette juice led to a high incidence of tumors, while filtered air exposure had minimal effects.
Researchers at MU College of Engineering developed eye-tracking technology to improve collision avoidance warnings and reduce distracted driving crashes. By analyzing pupil size, the system can detect driver distraction and adjust warning levels accordingly.
A team of researchers has developed a smart skin that can change shape and texture using artificial muscles, mimicking the cephalopod's ability to morph its structure. This innovation enables lightweight and flexible displays, interfaces for the visually impaired, and drag reduction on marine vehicles.
Research of 84 young drivers explores association between working memory differences and motor vehicle crashes. The study suggests that variations in working memory development may be a critical factor in determining the risk of crashes among young drivers.
Researchers measured VOC concentrations using unmanned aerial vehicles over central Amazonia's plateau and slope forests. Isoprene levels were found to be significantly higher in near-canopy atmosphere over plateau forests compared to slope forests.
Research published in the Journal of Investigative Medicine found a significant association between AMD and high levels of ambient NO2 and CO. The study, which analyzed data from 1998 to 2010, showed that long-term exposure to pollutants was associated with an almost doubling in risk among those aged 50 and older.
The technology uses light field imaging techniques and machine learning to capture high-quality composite images of subjects through windshields. This enables long-range identity verification, vehicle recognition, navigation systems, and traffic monitoring systems.
SwRI's team will develop a more accurate and cost-effective model to predict failure and cracking in combat situations. The goal is to create tougher and safer vehicles for soldiers by improving the Army's daily modeling process.
Researchers found that pavement burns account for a significant number of burn-related injuries, particularly in the Southwestern United States. Temperatures above 95 degrees significantly increase the risk of pavement burns, with the risk increasing exponentially as temperatures exceed 105 degrees.
A team of international scientists uncovered a previously unclear inflammatory mechanism caused by airborne particles that worsen asthma symptoms. Diesel fumes activate AhR receptors in immune cells, leading to increased production of inflammatory molecules.
The University of Texas at Arlington's team, led by Associate Professor Yan Wan, excelled in the 2019 Swarm and Search AI Challenge. They developed algorithms for multiple UAVs to map wildfires efficiently. The technology can provide real-time information and forecasts to firefighters.
The RoboBee has successfully flown solo for the first time, with a wingspan of four wings allowing it to lift off without additional power. The vehicle's weight is 259 milligrams, making it the lightest untethered flight ever achieved.
A new study by Gregory Erhardt and colleagues found that popular ride-sharing companies like Uber and Lyft increased traffic congestion in San Francisco by 62% between 2010-2016. The analysis also revealed that average speeds decreased by 13%, leading to less reliable travel times.
Researchers discovered instances of epistasis, a phenomenon where two changes produce a behavior different from individual changes. This finding could impact future drug delivery and therapeutic strategies by learning the rules of virus scaffold assembly.
Researchers at the University of Waterloo found that adjusting traffic light timing in response to weather conditions can significantly reduce intersection delays. By analyzing video data and running computer simulations, they determined that weather-responsive signal plans could ease congestion and improve safety during snowstorms.
Researchers at the University of Missouri found that drivers who are distracted while driving in a highway work zone are 29 times more likely to be involved in a collision or near-miss. The study analyzed data from over 3,000 drivers and provides recommendations for behavioral countermeasures to reduce injuries and fatalities.
A University of British Columbia study found that automated photo enforcement programs significantly reduce property-related crimes, in addition to collisions, by deterring unsafe driving behaviors. Researchers developed a planning chart to optimize the deployment of mobile speed enforcement units.
The University of Texas at Arlington's new wind tunnel will be used for Navy grants to develop heat shields for hypersonic vehicles and measure plasma flow. The facility will also house a femtosecond laser system to non-intrusively measure temperature and composition.
A new study published in JAMA Network Open found that driving while on prescription opioids significantly increases the risk of fatal motor vehicle crashes. The study analyzed data from over 18,000 fatal car crashes and found that drivers who tested positive for prescription opioids were more likely to be involved in fatal crashes.
A new virtual tool uses sensor data to predict unsafe passing events, allowing urban planners to optimize bike lane placement and improve cycling safety. The research, conducted by the University of Waterloo, found that bike lanes can virtually eliminate close calls between cyclists and motorists.
A study examining EMS response times to motor vehicle crashes found longer response times associated with higher mortality rates, particularly in rural areas. Prolonged response times accounted for nearly 10% of fatalities in rural/wilderness areas and 14% in urban/suburban areas.
A recent study found that 10% of firearm injury survivors will be readmitted to the hospital within 90 days, highlighting a significant burden of morbidity. The researchers also discovered a 30% increased risk of readmission among those with firearm injuries compared to occupant motor vehicle injury patients.
Researchers at USTC create a new structure of atomically dispersed iron hydroxide on platinum nanoparticles to efficiently purify hydrogen fuel over a broad temperature range. This breakthrough enables protection against CO poisoning during frequent cold-starts and continuous operations in extremely cold temperatures.