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"Everything starts as somebody's daydream. And, when you're daydreaming, it is science fiction. It's when you start work out how you put it together, true science fiction becomes real science."
- Larry Niven
 |
| Underground MagLev Train | ||
| Magnetic levitation train that travels through a tunnel; a vacuum reduces drag. |
| The train sat rigid as a steel bar, poised in midair above its magnetic monorail track, disgorging passengers into Dallas Station. Its fifteen cars had borne their passengers in quiet efficiency from New York to Dallas in just over half an hour, cradled in magnetic fields, traveling through vacuum at close to orbital velocity, deep underground. |
| From Dream Park,
by Larry Niven (w/S. Barnes). Published by Ace Books in 1981 Additional resources -
|
Depending on the depth of the tunnel, the train might also take advantage of a more direct route, as well as the accelerative force of gravity.
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