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"The point sticks in your head: physics rules. Virtue does not triumph unless the physics allows it."
- Larry Niven
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| Central Guide-Beam | ||
| A kind of signal that demonstrates the best possible path to a destination in space and even provides motive power. |
I don't think that this is the earliest use of this idea, but it's still worth looking at.
| "Well," he said, "you saw for yourselves this was a hospital ship. It carried no crew. It was directed from a central guide-beam at Jupiter. The beam carried it from the Sol System here, where, because of a mechanical error, a meteor penetrated the protection screen and the ship crashed." |
| From Shell Game,
by Philip K. Dick. Published by Galaxy Science Fiction in 1954 Additional resources -
|
This is an interesting idea. For one thing, there really aren't any straight lines in space, at least for material objects going through the solar system; gravity fields and the constantly changing locations of the planets make direct "beams" difficult.
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'Merton... placed the electrodes of the sleep-inducer on his forehead.'
'... we can descend and live down there at one of those year-round aquatic resorts.'
'...she would have to be coaxed by another series of pats into a circular orbit.'
'The sleek, tapered space shuttle lay immobile upon the private landing field...'
Yes, people of the future, robots will dress you.
