Articles tagged with Transportation
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Research published in IEEE Transactions on Intelligent Transportation Systems suggests that automatic braking systems can significantly reduce injuries in rear-end collisions. The study found that the use of three systems - warning, assisted braking, and autonomous braking - may prevent up to 50% of serious injuries.
Researchers at Georgia Tech have devised a way to compute delays and self-equalize gaps between buses, improving service for riders and reducing work for management. The system uses GPS and cell phones to optimize bus arrival times, ensuring more consistent headways.
The study found that a small amount of money can be an effective motivator, encouraging drivers to arrive earlier or leave later during peak hours. By leveraging social responsibility and game theory, the Capri program aims to reduce rush hour traffic by a few hundred cars.
Diana Lados, a WPI assistant professor, received a $525,000 NSF CAREER Award to develop new methods and tools for designing materials with confidence. Her goal is to increase the use of light metals in cars, trucks, airplanes, boats, and other transportation applications, reducing fuel consumption and greenhouse gas emissions.
The National Sleep Foundation's 2012 poll found that 1 in 4 train operators and 23% of pilots admit to sleep-related job performance problems. Sleepiness has also been linked to safety issues, car accidents, and reduced workday sleep satisfaction.
The US electric grid is complex and vulnerable to failure, particularly with aging EHV transformers. The new 'Recovery Transformer' program aims to develop a modular, smaller, and lighter alternative that can be easily transported and installed.
The study found that day laborers in Cincinnati are predominantly male and African American, with many struggling to find stable employment due to past convictions. The average wage per day for a day laborer is $48.53, after taxes and fees, highlighting the financial struggles of those working in these halls.
Researchers from the University of Illinois developed three algorithms to assess risk uncertainty in the passenger population, finding that risk-based screening increases overall expected security. This approach allows more resources to be devoted to passengers with high risk relative to the passenger population.
A Virginia Tech-led study found that family perspectives are crucial in evacuation planning, with immigrant mothers being particularly vulnerable. The research integrated social science and transportation engineering approaches to model household decision-making and interactions during evacuations.
Researchers at UC Berkeley found that ending the hybrid car program in California's carpool lanes slowed traffic for all drivers, not just hybrids. The study showed that moving hybrids out of carpool lanes increased congestion in adjacent lanes and reduced overall traffic speed.
A recent study by Dr. David C. Musch found that most eye care providers test visual acuity and peripheral vision but often fail to ask about other factors affecting driving ability, such as medical conditions or medications. Eye care providers identify a need for better guidelines and resources to assess driving capabilities.
Algae-based fuel produces high energy output with minimal land use, but its production is associated with significant environmental costs. The research suggests that algae-based biofuels may not be a silver bullet for replacing petroleum as a transportation energy source.
Researchers found that cash-based overcompensation leads to higher satisfaction ratings than industry-standard compensation or voucher-based overcompensation. Participants were most satisfied with a $400 cash bonus, but satisfaction levels did not increase linearly with the amount of cash provided.
Jonathan Malen's research may lead to more precise thermal management devices for aircraft and other transportation systems. He proposes using thin layers of small molecules to filter vibrations that carry heat, enabling more precise control over temperature.
A new report reveals sub-standard transportation practices for donor organs led to fatal air crashes and emphasizes the need for improved safety measures. The study suggests implementing measures like quality aircraft, two-pilot crews, and aviation safety consultants to improve safety in organ procurement travel.
The Virginia Polytechnic Institute and State University team, "Colbert," won the first prize with a space transportation architecture centered around propellant depots. The winning design was recognized for its innovative approach to efficient space transportation.
The new facility will enhance computational and modeling efforts in combustion research, enabling interdisciplinary collaboration between scientists. The CRCV building will support high-fidelity numerical simulations and expand access to massive datasets, expanding the collaborator base and ties with experimental programs.
Canadian Medical Association Journal urges airlines to prioritize human passenger safety over accommodating small pets in airplane cabins. The Canadian Transportation Agency considers requiring airlines to safeguard passengers with pet allergies, forcing a reevaluation of airline policies.
Clemson University chemical engineering professor Mark C. Thies has partnered with Doros Theodorou of the National Technical University of Athens to develop molecular models for advanced-carbon materials. Their goal is to create strong, lightweight materials for transportation vehicles, wind turbines, and energy-efficient aircraft.
A study by Michael L. Nance and colleagues identified 170 verified pediatric trauma centers in the US, with estimated access ranging from 22.9% in rural areas to 93.5% in urban areas. The authors estimate that 17.4 million children would not have access to a center within 60 minutes.
Researchers at NYU and Harvard created a bipedal, autonomous DNA walker that can move on its own using two fuel strands. The device forms base pairs as it moves along a track of DNA, creating energy for movement.
The European Society of Cardiology emphasizes the importance of networks in STEMI treatment, facilitating pre-hospital diagnosis, triage, and treatment with efficient transportation to appropriate hospitals. Clear protocols and cooperation among centers reduce delays and improve patient outcomes.
Numerical simulations of nutrient transport changes in Honghu Lake Basin revealed that human activities increased rapidly and became a dominant factor in changes of the nutrient transportation. The study found variations in nutrient production and concentration, with increasing rates of eutrophication over time.
Professor John Rice, Chair of Statistics at UC Berkeley, wins the 2008 Jerome Sacks Award for his diverse cross-disciplinary contributions to various fields. The award recognizes sustained high-quality research involving statistical sciences.
The updated GREET model allows researchers to simulate new fuel pathways, including ethanol from Brazilian sugarcane and bio-butanol production. The model also evaluates the energy consumption required for producing aluminum in sport utility vehicles.
Scientists at the University of Virginia have developed a new class of hydrogen storage materials that can absorb up to 14% of hydrogen by weight at room temperature, twice as much as current materials. These novel materials could make the dream of a hydrogen economy a reality with their higher efficiency and lower production costs.
A new bus scheduling algorithm, developed by a University of Southern California engineer, aims to reduce waiting times and improve transit reliability. The algorithm analyzes the impact of slack time on buses and finds that building in between 15 and 20 percent slack time is optimal, depending on total round trip travel time.
A new standard aims to reduce carbon emissions from fuels by 10% by 2020, stimulating improvements in transportation-fuel technologies. The standard covers all gasoline and diesel fuel providers, requiring them to track life-cycle global warming intensity and reduce it over time.
Researchers at UW-Madison create a two-stage process to turn biomass-derived sugar into 2,5-dimethylfuran (DMF), a liquid fuel with improved energy density and reduced environmental impact. The new fuel address limitations of current renewable liquids like ethanol.
The study found that strong extended family ties facilitated evacuation decisions, providing access to transportation and shelter, but also hindered it by creating conflicting opinions about evacuation messages. This highlights the importance of considering social networks in disaster planning for vulnerable communities.
The new H2CAR process produces three times more biofuels from the same biomass, reducing carbon dioxide emissions and increasing efficiency. This could provide sustainable fuel for all US transportation sectors without additional land use.
Researchers will develop software to predict unintended consequences of greenhouse gas reduction policies on the automotive market, life cycle environmental impact, and material demand. The goal is to ensure that policies effectively reduce emissions while minimizing undesirable outcomes.
A new paper from the Journal of Consumer Research distinguishes between narrative and analytical self-referencing in ads. Narrative self-reference almost always leads to favorable evaluations, while analytical self-reference can lead to negative responses if the ad's message is not well-reasoned.
A new study conducted by the University of Texas at Austin found that children's age and family dynamics play a significant role in shaping weekend leisure activity choices. The study reveals that children whose fathers have a higher education level are more likely to engage in active recreation, while those from single-parent househol...
Scientists sequenced the first complete tree genome, poplar, to develop sustainable plantation forestry and biofuels production. The research identified over 45,000 protein-coding genes and 93 genes associated with cellulose production.
A new software tool will help analyze the unintended consequences of environmental regulations on the automotive market and industry life cycle. The project aims to integrate models of market decisions, technological performance, and life cycle assessment to predict the effectiveness of greenhouse gas reduction policies.
Researchers Jing Wang and Bobby Calder found that ads can have both negative and positive effects on advertising. Ads appearing after a story has ended can actually enhance their effect. The study suggests that the timing of ad placement is crucial in determining its impact.
Researchers from Max Planck Institute used data from a popular internet game to analyze banknote movements, finding universal scaling laws that govern human travel behavior. These laws provide insight into the statistical rules governing the spread of diseases.
A survey of 415 senior citizens in Western New York found that more than half faced barriers to seeing a dentist, with finances and anxiety being major concerns. The study suggests that dentists should discuss these barriers with their patients to improve access to dental care.
A study of 34 metropolitan areas found that San Francisco and New York City had high percentages of people who walk or bike for recreation and transportation, respectively. Parkland acreage was also positively associated with walking and bicycling levels, suggesting a link between urban green spaces and physical activity.
A recent study published in the Journal of Air Transport Management found that domestic airline ticket taxes add approximately 15% to average fares, contradicting airline executives' claims. The research analyzed millions of tickets and provides a definitive answer to questions about ticket tax burdens on air travel costs.
A recent MIT study explores the effects of terrorism on global supply chains, highlighting the importance of vulnerability maps and flexible supply chains in minimizing disruption. The research also emphasizes the need for corporate cultures to prioritize communication and security.
The journal celebrates the Wright brothers' achievement with a special issue focusing on the application of operations research in aviation. The studies explore various aspects, including aircraft scheduling, air transport networks, and airspace planning.
A joint project between UDOT, GE Driver Development, and the University of Utah aims to enhance snowplow driver skills using state-of-the-art simulation technology. The training will focus on controlling speed, maintaining tandem position, and communication with other operators in a simulated winter environment.
A new report warns that the US air transportation system is in peril due to a lack of coordination among stakeholders. The report calls for a focused national leadership and strategic vision to enable the airline industry to meet increasing travel demand.
A protein called huntingtin is critical for normal neuronal transportation, but a defective version causes physical blockage and binding interference, leading to neuronal damage. The study supports the hypothesis that blockage of neuronal transportation contributes to neurodegenerative diseases.
The UC Riverside team designed a single-rider bicycle, Victory, which achieved a top speed of 50 miles per hour and ranked 8th overall. The team won recognition for their design and endurance capabilities, with notable performances in the sprint and grand prix events.
A Penn State study found that younger generations rely on the internet for travel information, while older populations turn to radio and TV. Internet awareness is increasing, leading to a substitution effect where TV users shift to using the internet and radio, and telephone use also increases.
Researchers at Virginia Tech have developed new phosphide-based catalysts that improve the removal of sulfur and nitrogen from hydrocarbon fuels. These catalysts are more active, physically strong, and inexpensive to produce and regenerate than existing sulfide-based catalysts.
Researchers at the University of Iowa have identified a protein that couples vacuoles to the organelle transportation system, regulating its movement and delivery. This discovery may improve understanding of embryonic development and have implications for various diseases.
As more older Americans outlive their driving privilege, they face unforeseen economic and social burdens. The study found that over 600,000 people age 70 or older stop driving each year and become dependent on others to meet their transportation needs.
A study of 679 black women in Detroit's low-income neighborhoods found that tangible aids like child care, transportation, and money are crucial for their overall well-being. The research suggests that strengthening both emotional and instrumental support is necessary to reduce chronic stress and promote better health outcomes.
Virginia Tech Transportation Institute (VTTI) has been awarded a $3 million grant to study driver behavior leading up to crashes and near-crashes in Northern Virginia. The project aims to provide detailed data on events leading up to crashes, bridging gaps in knowledge about pre-crash and conflict behaviors of drivers.
A recent study published in Spine highlights the importance of properly securing the trunk during ambulance transport to prevent further injuries. The research found that up to 25% of cervical spine injuries occur or are aggravated during emergency transport, with 40% resulting in neurological damage.
NASA will unveil its future space transportation goals and programs at Space Transportation Day '99, aiming to lower launch costs and make interplanetary exploration feasible. The conference will cover various projects, including X-33 and X-34 rocket planes, as well as technologies for safer and more reliable operations.
The Virginia Tech Center for Transportation Research is developing an integrated traveler information system, called Travel Shenandoah, for the Shenandoah Valley region. The system will provide comprehensive traffic and travel conditions information to travelers, while also supporting VDOT's efforts to work with the private sector.