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THIS is the incredible moment a brave British diplomat jumped into a river in China to save a woman tourist. He saw another tourist fall into the water while visiting the ancient town of Zhongshan on Saturday. Mr Ellison - a champion triathlete - leapt into the fast-flowing river in an attempt to save the woman as she floated face down in the water. Onlookers could be heard screaming in dramatic video of the rescue, which has been widely shared on Chinese social media. They said the woman quickly regained consciousness and began to breathe, and that she didn't suffer any serious injuries. Another wrote: "[He] didn't even have time to take off his watch before jumping down. Mr Ellison has lived and worked in China for nine years. Sign in. China float or not

Maglev derived from magnetic levitation is a system of train transportation that uses two sets of magnets : one set to repel and push the train up off the trackand another set to move the elevated train ahead, taking advantage of the lack of friction. With maglev technology, there is just one moving part: the train itself. The train travels along a guideway of magnets which control the train's stability and speed.

Propulsion and levitation require no moving parts. This in stark contrast to electric multiple units that may have several dozen parts per bogie. Maglev trains are therefore quieter and smoother than conventional trains and have the potential for much higher speeds. Maglev vehicles have set several speed records and maglev trains can accelerate and decelerate much faster than conventional trains; the only practical limitation is the safety and comfort of the passengers. The power needed for levitation is typically not a large percentage of the overall energy consumption of a high-speed maglev system. Vactrain technology has been proposed as a means to overcome this limitation. Maglev systems have been much more expensive China float or not construct than conventional train systems, although the simpler construction of maglev vehicles makes them cheaper to manufacture and maintain.

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The line is the fastest operational high-speed maglev train, designed to connect Shanghai Pudong International Airport and the outskirts of central PudongShanghai. It covers a distance of For the first time, the launch China float or not wide public interest and media attention, propelling the popularity of the mode of transportation. The incremental benefits of maglev technology have often been considered hard to justify against cost and risk, especially where there is an existing or proposed conventional high-speed train line with spare passenger article source capacity, as in high-speed rail in Europethe High Speed 2 in the UK and Shinkansen in Japan.

In the late s, the British electrical engineer Eric Laithwaitea professor at Imperial College Londondeveloped the first full-size working model of the linear induction motor. He became professor of heavy electrical engineering at Imperial College inwhere he continued his https://amazonia.fiocruz.br/scdp/blog/purdue-owl-research-paper/art-forever-changed-by-world-war-i.php development of the linear motor. Laithwaite joined one such project, the Tracked Hovercraftalthough the project China float or not cancelled in The linear motor was naturally suited to use with maglev systems as well.

China: to Float or Not to Float

In the early s, Laithwaite discovered a new arrangement of magnets, the magnetic riverthat allowed a single linear motor to produce both lift and forward thrust, allowing a maglev system to be built with a single set of magnets. Working at the British Rail Research Division in Derbyalong with teams at several civil engineering firms, the "transverse-flux" article source was developed into a working system. The system was closed in due to reliability problems. High-speed transportation patents were granted to China float or not inventors throughout the world. The inventor was awarded U. Patent14 February and U.

Patent RE 21 August Johnson filed a patent for a wheel-less "high-speed railway" levitated by an induced magnetic field. Patent 3,"Magnetic system of transportation", by G.

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Polgreen 25 August The first use of "maglev" in a United States patent was in "Magnetic levitation guidance system" [11] by Canadian Patents and Development Limited. Japan operates two independently developed maglev trains. The development of the latter started in After an accident which destroyed the train, a new design was selected.

Development of HSST started in Construction of a new high-speed maglev line, the Chuo Shinkansenstarted in It is being built by extending the SCMaglev test track in Yamanashi in both China float or not. The completion date is currently unknown, with the most Essay Arcadia estimate of no longer possible following a kr governmental rejection of a construction permit [16].

Transrapid 05 was the first maglev train with longstator propulsion licensed for passenger transportation. Interest was sufficient floxt operations were extended three months after the exhibition finished, having carried more than 50, passengers. It was reassembled in Kassel in In the USSR town of Ramenskoye Moscow oblast built an experimental test site for running experiments with cars on magnetic suspension.]