Articles tagged with Air Travel
A Northwestern University study found that airplane and hospital air mostly contain harmless microbes from human skin, with some potentially pathogenic species in extremely low abundance. The study used worn face masks as a passive tool to monitor indoor air, revealing the invisible world of microbes floating in our shared air.
A new physics-based approach predicts how lightning strikes aircraft, identifying vulnerable regions for protection. The tool can be applied to any shape of aircraft, including unconventional designs.
A study of 200 pilots found that errors caused by lack of skills or poor decisions often contributed to inflight loss of control incidents. The research highlights the need for better pilot training, particularly in recovering from out-of-control situations like spins and spirals.
A new study published in Climate Policy highlights the significant cost disparity between household electricity and e-fuel for long-distance mobility. The research shows that the wealthiest 1% of EU citizens are responsible for 66% of air travel, while the majority emit less than 0.1 ton of CO2 equivalent emissions per year.
The University of Texas at Arlington (UTA) has been awarded a $1 million NASA grant to develop safety systems for drones and unmanned flying vehicles. The project aims to create an adaptive safety assurance architecture through extensive simulations and experimental testing, making future advanced air mobility vehicles smarter and safer.
A new study highlights the effectiveness of detector dogs in mitigating biosecurity risks posed by air passengers. The research found that dogs were particularly effective in detecting undeclared materials, including items linked to fruit fly outbreaks.
A recent University of New Hampshire study gauges public opinion on three fare policies aimed at reducing emissions. The standard policy, where all passengers pay a uniform price, is the most accepted approach, while nearly 60% express concerns about weight-based policies citing potential fairness issues and discrimination.
A University of Queensland-led study reveals greenhouse gas emissions from tourism have grown more than 2 times faster than the rest of the global economy. Tourism accounts for 9% of world's total emissions, with annual increases expected to double in carbon footprint every 20 years.
A global survey of over 4,700 food allergy patients and families found airline travel to be a significant source of worry and anxiety. The study suggests that reasonable accommodations, such as pre-boarding and allergen-free zones, can reduce stress for travelers with food allergies.
A recent study found that the pandemic led to a significant shift towards staying at home, with people spending nearly an hour less per day on out-of-home activities. The trend has continued post-pandemic, with time spent away from home still lower than in 2019.
A team of University of Houston engineers developed an AI tool to predict and control pandemic spread by analyzing international air travel. The analysis found that reducing flights in Western Europe can lead to fewer global COVID-19 cases, making it a key strategy for controlling the pandemic.
Researchers found that for most North Atlantic flights, the climate benefit of avoiding contrails outweighs the extra carbon dioxide emitted from flying a different route. Rerouting flights could reduce global warming by up to 29% in 2039 and 14% in 2119, depending on the method used to measure climate impact.
A new MIT study analyzes airline safety trends over the past few decades and finds that commercial flight has become roughly twice as safe each decade since the 1960s. The study estimates that passengers are about 39 times safer than they were in the 1968-1977 period, with a 1 in 13.7 million risk of fatality per boarding.
New studies from Chalmers University of Technology suggest that hydrogen-powered aircraft could meet the needs of 97% of intra-Nordic flights and 58% of Nordic passenger volume by 2045. A novel heat exchanger technology has shown promise in reducing fuel consumption by almost eight percent.
Long-distance travel has a substantial carbon footprint, with journeys over 50 miles accounting for 70% of emissions. Research suggests targeting long-distance travel may be more effective than current efforts to reduce emissions. Changing behavior and policy can maximize reductions in carbon emissions from passenger travel.
A study found that people in affluent areas in New Zealand were contributing more than their fair share of greenhouse gas emissions from transport. They drove further and owned more cars, leading to higher emissions per week.
A team from UPV has developed an AI technique to study turbulence, a key factor in energy dissipation and CO2 emissions. The method uses a neural network to predict turbulent flow movement and reproduce existing knowledge without prior physics knowledge.
The University of Central Florida is establishing itself as a leader in hypersonics and space propulsion research with substantial new funding from the US Department of Defense. The funding will support the construction of a hypersonic testing facility, flight experiments and further advancements of the technology.
A recent study found that air travel to professional conferences contributes substantially to academia's carbon emissions, with an estimated 42,500 tCO2e released in 2019. To mitigate this issue, researchers suggest prioritizing venue locations near most participants and exploring virtual meeting solutions.
Researchers used big data to calculate per-country greenhouse gas emissions from aviation for 197 countries, revealing gaps in reporting requirements under the UNFCCC treaty. Countries like China and the US were found to emit the most aviation-related emissions.
Researchers estimate CO2-equivalent emissions for astronomy meetings in 2019, suggesting preferential virtual meetings and hybrid formats. This approach can reduce long-haul travel and make astronomy more inclusive for underrepresented groups.
A new European research project, SMARTS, aims to improve air travel efficiency by redesigning flexible airspace sectors using artificial intelligence. The €2million project will create accurate predictive models and develop innovative sector configuration plans to reduce passenger delays, increase productivity, and lower emissions.
A new Naval Research Laboratory-funded project led by UCF researcher Kareem Ahmed aims to create a morphing hypersonic engine that can optimize performance and travel distance. The $450,000 grant will develop an adaptable engine configuration that can self-optimize its surfaces for maximum performance power, thrust, and travel distance.
A Bangor University paper quantifies the carbon benefits of ending bottom trawling, finding only a small fraction of seabed carbon reacts to disturbance. The study challenges the validity of previous claims and suggests using 'carbon credits' for banning trawling may actually increase overall CO2 emissions.
A new study found that people exposed to moderate aircraft noise were less likely to get the minimum recommended sleep each night. The risk increased among those living near airports or large water bodies, as well as those with no hearing loss. Exposure levels as low as 45 dB were associated with short sleep duration.
Researchers have identified optimal flight routes for solar-powered airships, which can significantly reduce both transport costs and CO2 emissions of air travel. With a maximum of five percent of carbon dioxide generated compared to conventional air transport, solar airships offer a promising alternative.
Researchers at the University of Bath are developing a new power system for zero-emissions electric aircraft using liquid hydrogen fuel. The project aims to create a reliable and efficient superconducting DC distribution network, reducing environmental impact and noise in air travel.
A study uses statistical physics to analyze hourly plane landing volumes, estimating airport operations' efficiency. The model demonstrates that airport operations become more random after the COVID-19 pandemic, indicating changes in aircraft interactions.
Researchers at Aalto University have made significant progress in understanding quantum wave turbulence by studying its behavior in ultra-low temperature refrigerators. They found that Kelvin waves transfer energy from macroscopic to microscopic scales, confirming a theoretical prediction about dissipation of energy at small scales.
Researchers at Chalmers University of Technology have developed a propeller design optimisation method that paves the way for quiet, efficient electric aviation. The new design can reduce noise emissions by up to 5-8 dBA, comparable to going from a normal conversation voice to a quiet room.
Researchers analyzed data on European travellers arriving from Africa between 2015 and 2019, finding malaria as the most common arthropod-borne disease. The study highlights the importance of using travellers' health data to complement local surveillance systems in Africa.
A study by Universitat Oberta de Catalunya (UOC) finds that replacing short-haul flights with rail in Germany could reduce CO2 emissions by 2.7-22%. However, this policy may also harm international connectivity, particularly for peripheral regions and passengers with limited onward connections.
Researchers found that allocating emissions based on ticket prices rather than travel class provides a more accurate representation of individual contributions. This approach encourages people from all budgets to seek alternative modes of transport and increases estimates of corporate emissions.
Researchers found SARS-CoV-2 virus in almost all plane wastewater at three UK airports during a period of COVID restrictions. The study suggests that wastewater testing could be used to monitor the general health of passengers on flights entering the country, potentially capturing 8-14% of SARS-CoV-2 cases.
A new study found that ultrafine particle concentration decreased by 48% during the COVID-19 state-of-emergency period due to reduced aviation and road activity. This reduction corresponded with flight activity dropping by 74% and highway traffic volume decreasing by 51%.
Researchers at MIT estimate the probability of getting Covid-19 on a plane flight was about 1 in 2,000 from June 2020 to February 2021. The study provides a general estimate of air travel safety with regard to Covid-19 transmission and a methodology that can be applied to future studies.
A study by University of Otago's Department of Tourism found that the reduced number of event-related personnel attending the Olympics due to Covid-19 resulted in lower CO2 emissions. The study estimates a reduction of 129,686 tCO2 from expected levels.
Research analyzed Cornell University's greenhouse gas consumption during the COVID-19 pandemic and found that 60% of emissions came from off-campus activities. The study provides a framework for universities to reduce carbon footprint and achieve climate goals, with Cornell aiming to reach carbon neutrality by 2035.
Research shows that default options on carbon offsetting websites can lead to faster CO2 compensation, even at higher costs. The study found that as costs increase, the effectiveness of these defaults decreases. This suggests that people are price-sensitive when it comes to high-cost defaults.
MIT engineers mapped airplane contrails over the US in 2020 and found a 20% drop in coverage compared to prepandemic years. The team's computer-vision technique can help predict where contrails form, allowing airlines to reroute planes and reduce aviation's climate impact.
Researchers found that switching to virtual conferencing can significantly cut carbon emissions, doubling attendance from low-middle income countries, while eliminating travel-related emissions. However, the study highlights limitations, including reduced feedback survey responses and potential equity issues.
Researchers suggest airlines adjust VCO presentations based on temporal distance to the flight, providing travellers with options to neutralise their carbon footprint. This can encourage more consumer participation in voluntary carbon offsets, ultimately contributing to a sustainable aviation sector.
A group of international scientists, led by Teun Bousema, published a study in The Lancet Planetary Health highlighting the significant carbon footprint of academic travel. Over a thousand academics have signed the Thoughtful Travel Pledge petition, calling for reduced carbon emissions at all levels.
Concordia researcher Seth Wynes estimates that permanent adoption of lockdown-era schedules could cut carbon dioxide emissions from team travel by 22%, reducing overall annual emissions. Implementing these changes could also have co-benefits, such as reduced injuries and improved player rest.
UK's COVID-19 travel plan will allow new variants to enter the country, says virologists. Researchers warn that resuming international air travel poses a risk to controlling virus transmission and tackling climate change.
A new study by MIT professor Arnold Barnett reveals that airline passenger fatalities have declined significantly between 2008 and 2017, with a global fatality rate of one death per 7.9 million passenger boardings.
A new study by the University of Notre Dame found that air travel has flattened local investment bias, reducing risk for investors and lowering firm costs. This is because investors are more likely to invest in companies in distant locations with better air connections, resulting in a diversified portfolio.
A new study from the University of British Columbia suggests that consumers are more accepting of carbon pricing in air travel when the fee is labeled as a carbon offset and directed at fossil fuel producers. The study found that consumers were willing to pay more for flights if the extra money supported carbon emission reductions.
A recent study reveals that nearly half of routes analyzed exceeded an individual's annual mobility carbon budget, with direct routes generally producing lower emissions. The researchers suggest selecting nonstop routes whenever possible to mitigate carbon footprint.
Researchers have created a new material capable of repelling ice from any surface using elastic energy localization. Testing shows it is mechanically durable, unaffected by ultraviolet rays and requires minimal force to cause cracks that slough off the ice. The coating can last for over 10 years without needing reapplication.
A study among British airline pilots reveals that 20% have scores comparable to those under burnout treatment, yet most perform well in flight simulator training. The researchers argue that better support and facilities are needed to help pilots cope with their stressful jobs.
A new study suggests that liquid hydrogen may be a realistic option for future air travel, offering several advantages over traditional fuels. Liquid hydrogen is very light and has a lower boiling point, reducing the risk of accidents and making it easier to handle.
A clinical trial conducted by Griffith University found that an elderberry supplement can provide some protection from cold and flu-like symptoms following long-haul flights. The study involved 312 economy class passengers who completed a daily diary and surveys before, during, and after travel.
Severely overweight patients with hypoventilation can experience low blood oxygen levels during air travel. Experts recommend a pre-flight hypoxic challenge test for better preparedness and potential use of supplemental oxygen or non-invasive ventilation.
A new study found that the H1N1 2009 pandemic was primarily driven by short-range travel, contradicting popularly accepted views on disease transmission. School-age children accelerated the spread of the pandemic through repeated transmission over short distances.
Research found that fainting associated with recent air travel is a key indicator for pulmonary embolism diagnosis. Patients who fainted and had recent air travel were more likely to have saddle emboli and abnormal ECG readings, indicating a higher risk of life-threatening complications.
A global study has found that anaesthetic-related deaths have declined dramatically over the past five decades, with a 90% reduction in post-anaesthetic fatalities since before the 1970s. The study, published in The Lancet, also revealed an 88% decrease in mortality rates within 48 hours of surgery globally.
The study analyzed trends in death due to anaesthesia and perioperative mortality worldwide. The estimates suggest a significant decline in anaesthetic-related mortality, with a 90% decrease from the 1970s to the 1990s. Perioperative mortality also decreased by about 88%.
A novel technology called Bio.Diaspora tracks air travel patterns to anticipate global disease spread. This approach could benefit hosts of future mass gatherings by identifying infectious disease outbreaks and prioritizing public health measures.
Recent concerns about airplane travel and insulin pump delivery may be overstated due to limited data, according to an editorial. The effects of changes in atmospheric pressure on insulin delivery remain unclear, and more research is needed before drawing conclusions.