Quote:
Originally posted by Superman
The invention seems cool. I have a hazy recollection of another invention...wait...it's coming.....that train that rides on magnets and goes something like 300 mph. It uses no more power than an ordinary home range. At least, that's what I thought I heard. If they can figure out how to operate it in a vacuum, the thing might go tens of thousands of miles per hour. Using the same amount of power. You first saw the concept on a Saturday morning. The Jetsons.
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Maglev - magnetically levitating train. It works and several large scale tests have been done. I believe there is at least one in operation (china?) and several in Japan coming on-line soon and another in Germany. Many others planned.
The superspeed maglev system has no wheels, axles, transmissions, or pantographs. It doesn't roll, it hovers. Instead of wheels and rails, the train uses non-contact electromagnetic levitation, guidance, and propulsion systems -wear-free electronics instead of mechanical components. Speeds of 300 - 500 km/hr and more are readily achievable. Energy consumption is lower than other forms of transportation (but more than a home range).
Next step - apply superconducting technology.
PS A vacuum would surely help, but not very practical...