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How a Maglev Train Works (EMS and EDS)?

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                                          Maglev trains are one of the greatest inventions in man-made history. These trains float over the track using magnetic power. The name Maglev is an abbreviation of  Mag netic  Lev itation. As there is no contact between the train and the track, these type of trains moves faster with minimum energy loss. These trains are also well known for their eco-friendly operation, as it does not use any petroleum products like petrol, diesel, etc. From the year 1902, magnetic levitation has begun to rule the world. In 1984, the first commercial maglev train was introduced in Birmingham, the UK, with levitation of 15mm and a track length of 600m. From the past to the present, there were several breakthroughs made in maglev technology. These breakthroughs were successfully implemented at present in three countries; namely China, South K...
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Time Zones and International Date Line!

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         Time zones are the type of zones in which  times are followed up differently in each zone; which means, that countries in each zone follow different times. For example, if we are in India where the time is  5:30 PM Friday  then the time in London will be  12:00PM Friday . Even more interesting is that, if we are in India where the time is  9:30PM Thursday , and travelled along westwards to Abu Dhabi within 1 hour with a high-speed jet, then the time will be still at  9:30PM Thursday  as before. So we have no loss of time. This is the magic of Time Zone! Time Zones of Earth      There are roughly 24 time zones in the world corresponding to the 24hr in the world. But some countries make a quarter and a half an hour offset; due to which there are more than 24 time zones in the world. These time zones are determined by the longitudinal lines around the earth that are separated by  15° corresponding to ...
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How an air brake system works in trucks and buses?

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         Air is a composition of various gases which float all around us. It exerts a tremendous pressure on everything. If this pressure is used in a well-versed manner it could be used for stopping the vehicles. Vehicles use various types of brakes to stop the rotating wheels. Each type of brake uses a different mechanism for stopping the vehicles. Particularly vehicles like cars use a liquid braking system to pull the brake system. But large vehicles such as buses and trucks cannot be easily stopped by the liquid braking system; due to the tremendous mass of the vehicle.    So in such large vehicles, an air brake system is utilized. In an air brake system, the pressure exerted by the air is converted into frictional energy to stop the vehicles. The basic schematic system of an air brake system employed in the trucks and buses is shown below, Air brake System in trucks and buses    As seen in the above image there are se...
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