Questões Militares de Inglês - Sinônimos | Synonyms

    No one enjoys a delayed flight, but as our weather gets warmer, we can expect more of them.

   That's according to experts, who say that the heat of the summer might cause more delays.

    Bloomberg looked at US data for flight delays at airports in Chicago and New York from June to August in 2022 and from January to March in 2023. It found that there were more delayed flights in the summer months at both airports.

    When the temperature rises above 39 degrees Celsius, things get very difficult for airlines, Bijan Vasigh, a professor at Embry-Riddle Aeronautical University in the US, told Bloomberg.

    The air is thinner when it gets hot and that makes it harder for planes to take off. In thinner air there is not as much lift, so more power is needed.

     When they need more power, it helps to have a lighter airplane.

    That might mean pilots have to make last-minute decisions to reduce the weight on board by dumping fuel, passengers or baggage — meaning the plane will probably be delayed.

    The problem gets worse at airports that are at a higher altitude where the air is already thinner, and at airports with short runways, since planes need more space to get up to a high speed.

   But thin air is not the only problem. Smoke from wildfires — that have been happening all around the world in the summer of 2023 —can also cause flights to be delayed and canceled.

    Of course, the summer is also a busy time when millions of people fly, and weather is not the only cause of delays — but our hotter climate doesn't seem to be helping.

Internet: Engoo

The Associated Press

    A French astronaut has used a video call from space to sound the alarm about worsening repercussions from climate change that he can see ______ the International Space Station.

       Entire regions of Earth in flames. Storms trailing destruction in their wake. And the haunting fragility of humanity’s only home floating like a blue — but also tarnished — pearl in the vastness of space.

      Through the portholes ______ the International Space Station, French astronaut Thomas Pesquet has an arresting view of global warming’s repercussions. He used a video call from space to sound the alarm Thursday, as negotiators, government officials and activists continued meeting at a U.N. climate conference in Glasgow, Scotland.

        “We see the pollution of rivers, atmospheric pollution, things like that.”

        “We saw entire regions burning from the space station, ______ Canada, in California,” he said. “We saw all of California covered ______ a cloud of smoke and flames with the naked eye from 400 kilometers (250 miles) up.”

    One of the most important tools for a firefighter in the field is the ability to communicate with other members of the crew, officers, and decision-makers. Communication can be the difference between being able to ask for – and receive – help, or being alone as fires move, shift, and change.

  Communication can be the difference between having the latest intelligence and knowledge about what is going on, or being in the dark. Communication is also the difference between having a coordinated, collaborative effort, or having a number of individuals operating independently – which is the least effective way to fight a fire.

    While cellular networks have expanded and improved tremendously – especially in the age of 5G – there are still areas of our country where cellular connectivity and other terrestrial mobile networks aren’t available. There are also some situations where the communications equipment that power terrestrial networks can be damaged in fires, and leave firefighters without connectivity.

    This is why mobile mesh networking will be a widely adopted technology for firefighters and hotshot crews in 2022.

   Mobile mesh networking can enable the use of communications and situational awareness tools – such as ATAK – off the grid in places where other terrestrial networks don’t exist. This means that firefighters will be able to share information and see each other’s locations even in isolated, remote locations. They can also be used to spread connectivity over a wide geographic area and to each individual without a single, centralized piece of equipment that can be compromised and fail. This means they can deliver resilient and redundant communications that is always available to the firefighter.

   Finally, mobile mesh networking can be a low-cost alternative to connecting IoT devices. Instead of each individual sensor requiring its own expensive cellular connection – or incredibly pricey satellite connection – mobile mesh can be used to connect IoT devices over a wide geographic area with no recurring cost. This can help accelerate fire-focused IoT programs, and enable the government to extend them to more areas at a lower cost to the taxpayer.

   Enabling resilient, reliable communications and situational awareness alone is enough to make mobile mesh networking a game-changer for firefighting. But its ability to inexpensively connect IoT devices and sensors that can make firefighting more proactive and less dangerous make mobile mesh technologies essential in 2022.

Adapted from https://thelastmile.gotennapro.com/the-exciting-technologiesrevolutionizing-firefighting-in-2022/