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They claim that more than 100,000 passengers could be affected in a single day. 🤔

#engineering

Several high-profile executives of U.S. airlines warned on Monday, January 17, of an oncoming “catastrophic” aviation crisis that will take hold by Wednesday should AT&T and Verizon activate their new 5G services, a report from Reuters reveals.

In a letter obtained by Reuters, the CEOs of several passenger and cargo airlines in the United States, including Delta, United, and Southwest Airlines, warned that signals from the two companies’ new C-Band 5G cell towers could interfere with navigation and safety equipment on their planes.

US airline executives claim the public will be grounded by 5G services

“Unless our major hubs are cleared to fly, the vast majority of the traveling and shipping public will essentially be grounded,” the executives stated in their letter, which was sent to various government organizations, including the Federal Aviation Administration (FAA) and the White House Economic Council. “Immediate intervention is needed to avoid significant operational disruption to air passengers, shippers, supply chain and delivery of needed medical supplies.”

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Such thrusters have been used since the 1970s; however, the Tiangong’s core module is set to become the first crewed spaceship propelled by ion drives. China is betting big on ion thrusters and intends to develop them on a far greater scale for its deep-space missions.

The space station’s core Tianhe module, which will welcome its first astronauts later this month if all goes to plan, is propelled by four ion thrusters, which utilize electricity to accelerate ions as a type of propulsion.

When compared to chemical propulsion, which keeps the International Space Station (ISS) in orbit, ion drives are much more efficient. According to the Chinese Academy of Sciences, the ISS’s thrusters require four tons of rocket fuel to keep it afloat for a year, whereas ion thrusters would require only 882 pounds (400kg) to do the same.

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Swedish flying car maker Jetson will deliver its first batch of Jetson ONE personal eVTOL this year before scaling production in 2023.

Though still young, 2022 is shaping up to be monumental for Swedish flying car developer Jetson, which plans to deliver the first series of its one-passenger personal electric vertical takeoff and landing (eVTOL) vehicle later this year, then turn to outside investors to help scale activity.

Interest in the craft has been even wider than sales figures indicate. The video introducing the Jetson ONE personal eVTOL vehicle has been viewed over 14 million times since going online in October.

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Meet the ambitious P-ONE proposal.

The P-ONE design currently involves seven 10-string clusters, with each string hosting 20 optical elements. That s a grand total of 1,400 photodetectors floating around an area of the Pacific several miles across, providing much more coverage than IceCube.

Once it’s up and running, you just need to wait. Even neutrinos will strike some ocean water and give off a little flash, and the detectors will trace it.

Of course, it’s harder than it sounds. The strands will be moving constantly, waving back and forth with the ocean itself. And the Pacific Ocean is … less than pure, with salt and plankton and all manner of fish excrement floating around. That will change the behavior of light between the strands, making precise measurement difficult.

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