COVID variants to slow air traffic recovery: IATA
Global air passenger traffic will recover more slowly than expected this year because coronavirus variants have created strong headwinds, an industry group warned Wednesday.
Feb 24, 2021
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Business
Global air passenger traffic will recover more slowly than expected this year because coronavirus variants have created strong headwinds, an industry group warned Wednesday.
Feb 24, 2021
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Robotics
'Moralities of Intelligent Machines' is a project that investigates people's attitudes towards moral choices made by artificial intelligence. In the latest study completed under the project, study participants read short ...
Feb 22, 2021
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Automotive
Automotive recalls are occurring at record levels, but seem to be announced after inexplicable delays. A research study of 48 years of auto recalls announced in the United States finds carmakers frequently wait to make their ...
Feb 22, 2021
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Telecom
The latest generation of smartphones, 5G, can interfere with aircraft altitude instruments, the French Civil Aviation Authority warned Tuesday as it recommended they should be turned off during flight.
Feb 16, 2021
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Energy & Green Tech
A trio of researchers, two from MIT and one from Tongji University, has conducted an assessment of the impact of ride service providers Uber and Lyft on urban mobility in the United States. In their paper published in the ...
Business
Global air passenger traffic plunged by an unprecedented 66 percent in 2020 owing to travel restrictions imposed during the COVID-19 pandemic, an industry group said Wednesday.
Feb 3, 2021
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Automotive
After initially refusing a request from U.S. safety regulators, Tesla has now agreed to recall about 135,000 vehicles because the large touch screens on the console can go dark.
Feb 2, 2021
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Automotive
We've all come to rely on the navigation apps on our mobile devices to steer our daily itineraries. Within seconds of typing our destination into a blinking search bar, we have an expertly planned route and estimated time ...
Jan 27, 2021
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Computer Sciences
Traffic lights at intersections are managed by simple computers that assign the right of way to the nonconflicting direction. However, studies looking at travel times in urban areas have shown that delays caused by intersections ...
Jan 20, 2021
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Automotive
US regulators on Tuesday ordered Ford to recall three million vehicles containing Takata airbags that show signs of "potential future rupture risk."
Jan 20, 2021
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Traffic on roads may consist of pedestrians, ridden or herded animals, vehicles, streetcars and other conveyances, either singly or together, while using the public way for purposes of travel. Traffic laws are the laws which govern traffic and regulate vehicles, while rules of the road are both the laws and the informal rules that may have developed over time to facilitate the orderly and timely flow of traffic.
Organized traffic generally has well-established priorities, lanes, right-of-way, and traffic control at intersections.
Traffic is formally organized in many jurisdictions, with marked lanes, junctions, intersections, interchanges, traffic signals, or signs. Traffic is often classified by type: heavy motor vehicle (e.g., car, truck); other vehicle (e.g., moped, bicycle); and pedestrian. Different classes may share speed limits and easement, or may be segregated. Some jurisdictions may have very detailed and complex rules of the road while others rely more on drivers' common sense and willingness to cooperate.
Organization typically produces a better combination of travel safety and efficiency. Events which disrupt the flow and may cause traffic to degenerate into a disorganized mess include: road construction, collisions and debris in the roadway. On particularly busy freeways, a minor disruption may persist in a phenomenon known as traffic waves. A complete breakdown of organization may result in traffic jams and gridlock. Simulations of organized traffic frequently involve queuing theory, stochastic processes and equations of mathematical physics applied to traffic flow.
This text uses material from Wikipedia, licensed under CC BY-SA